Today's Science News
December 1, 2024
How a regenerating starlet anemone keeps in shape - The starlet sea anemone (Nematostella vectensis) is a pro regenerator: capable of regrowing a lost body part, or even into 2 new anemones, when cut or injured.Declassified spy satellite images reveal 1,400-year-old battle site in Iraq that set off the Muslim conquest - Historical texts that mentioned details about the battle site helped researchers match the images to the lost town of al-Qadisiyyah.
Huge PSVR 2 headset Cyber Monday deal: Save $200 - Save a massive 37% on the PSVR 2 headset this Cyber Monday as one of the best VR headsets is at its lowest-ever price.
New moon December 2024: A young moon passes Venus - The latest News,/news,,news, breaking news, comment, reviews and features from the experts at Space
Canada wants your help to name its 1st moon rover - Canada will soon roll a rover onto the moon, and you can help name the pioneering machine.
Supermassive black hole binary emits unexpected flares - Their orbit periodically takes them through a cloud of gas, triggering flares.
Meet 'Chameleon' – an AI model that can protect you from facial recognition thanks to a sophisticated digital mask - A new AI model can mask a personal image without destroying its quality, which will help to protect your privacy.
Space photo of the week: James Webb telescope spots a secret star factory in the Sombrero Galaxy - This week, the James Webb Space Telescope zooms in on the iconic Sombrero Galaxy, revealing the first-ever mid-infrared observations of the hat-shaped wonder.
Can you get high from poppy seeds? - Poppy seeds come from the same plant that's used to make opium and morphine.
Scientists find out what a mysterious scar in the Australian outback is - Upon closer investigation, we realised the scar was created by a ferocious tornado that no-one knew had occurred in the Australian outback.
Striking Satellite Images Show Lava Streaming Toward Iceland's Renowned Blue Lagoon - As a gargantuan plume of magma rises from the depths, tectonic forces are wrenching the island nation apart, triggering the outpouring of lava.
November 30, 2024
Mass extinctions make life 'bounce back stronger,' controversial study suggests - Large-scale disruptions to life may ultimately increase ecological complexity over geologic timescales, though the risk of extinction always looms.Black Friday Apple laptop deal 2024: Save almost 25% on the latest MacBook Air at Amazon right now - Get a big saving on the newest MacBook Air with M3 through Amazon right now this Black Friday weekend ahead of Cyber Monday.
Forget Black Friday — we think you should buy this fitness tracker at full price instead! - Black Friday discounts are all very well, but this Coros Pace 3 smartwatch is one the best value running watches on the market, even without Black Friday or Cyber Monday.
A CubeSat Mission to Phobos Could Map Staging Bases for a Mars Landing - The moons of Mars are garnering increased attention, not only because they could provide a view of the solar system’s past but also because they could provide invaluable staging areas for any future human settlement on Mars itself.
This powerful MacBook Pro has $400 off this Black Friday weekend - Act fast to snag this desktop-level performance in a laptop with $400 off the MacBook Pro M3 this Black Friday weekend.
The best running shoe Cyber Monday deals picked by an experienced distance runner - We have rounded up the 10 best running shoe deals but be quick out of the blocks because some of these deals will go soon.
The lowest price we have seen for our favorite Nikon compact binoculars — get 35% off in this Black Friday deal - These superbly versatile binoculars are perfect for beginners and are available for less than $100 at Amazon.
I'm a pro astronomer and have been skywatching for over 25 years. These are the best Black Friday telescope deals I've seen so far - I've tried and tested many telescopes over the years to ensure you're choosing the right kit for you.
Private Japanese moon lander arrives in Florida ahead of January SpaceX launch (photos) - The "Resilience" Mission 2 lander, built by Japanese company ispace, has arrived in Florida ahead of its planned January launch on a SpaceX Falcon 9 rocket.
Soar above the rest for Black Friday: This Holy Stone drone is 20% off on Amazon - The Holy Stone HS175D is 20% off on Amazon this Black Friday weekend, making it one of the cheapest drones on the market.
Interstellar Objects Can't Hide From Vera Rubin - When the Vera Rubin Observatory comes online in a few months, it'll be the most effective asteroid and comet hunter ever built.
Is It Possible To Dig All the Way Through the Earth to the Other Side? - You'd need a pretty big drill to make it through Earth's crust.
'Silo' Season 2: 'That Thing He Does': Who is Silo 17's mystery man in the vault? - A recap of "Silo" Season 2 episode 3, "That Thing He Does"
Save a massive $750 on a new laptop with this Dell Black Friday deal - The Dell XPS 16 has $750 off at Best Buy this Black Friday so you can grab this great laptop for astronomers for less.
Communicating with aliens one day could be much easier if we study the way AI agents speak with each other - Decoding emergent languages in AI can have many benefits.
Best mech games of all time - Giant robots and piloted machines have been popular in science fiction for decades.
How should we treat beings that might be sentient? - A book argues that we've not thought enough about things that might think.
A new model accurately predicts the migration of humpback whale - Jasper de Bie, Griffith University This year’s humpback whale (Megaptera novaeangliae) season in Australia has almost come to an end.
The Early Earth Wasn’t Completely Terrible - Earth formed 4.54 billion years ago.
November 29, 2024
Globular Clusters Evolve in Interesting Ways Over Time - Globular clusters are among the oldest objects in the Universe.Growth in global crop yield has not stagnated, but challenges remain - Analysis of worldwide food production has found that global crop yields have continued to grow at roughly the same rate since the 1960s.
A Superfast Supercomputer Creates the Biggest Simulation of the Universe Yet - Scientists at the Department of Energy’s Argonne National Laboratory have created the largest astrophysical simulation of the Universe ever.
Awkwardness Can Hit in Any Social Situation. Here’s 5 Strategies To Navigate It - Learn what to say in uncomfortable situations, like ‘I don’t even know what to say to that.'
It’s expected that AI will run out of data within a decade – then what? - A leading UNSW computer scientist says a touted solution to a big problem for generative AI is better suited for other forms of artificial intelligence.
Killer Whale Pod Members Team Together When Hunting Whale Sharks - Orcas appear to select the youngest fish, work together to flip them upside down, then target the most vulnerable areas of their bellies.
Math and Physics Can't Prove All Truths - Physicists have described a system that requires an incomputable number to fully understand, another example of the provably unprovable puzzles of mathematics
How the Very Warm Temperature of the Gulf of Mexico Might Lead to the Tampa Bay Rays Moving Out of Town - It might seem like an odd connection, but the plight of the Tampa Bay Rays baseball team is directly connected to climate change.
Hope Can Be More Powerful Than Mindfulness - In difficult times, a forward-looking mindset may be especially helpful
Tree islands ‘restore biodiversity’ in oil palm farms - Establishing small patches of forests in oil palm plantations can restore biodiversity lost to deforestation, researchers say.
Satellite evidence bolsters case that climate change caused mass elephant die-off - A new study has provided further evidence that the deaths of 350 African elephants in Botswana during 2020 were the result of drinking from water holes where toxic algae populations had exploded due to climate change.
‘Marine Snow’ Studies Show How the Ocean Eats Carbon - The ocean’s digestive system is dictated by picky microbes and precise dynamics of drifting debris
What Are Crepuscular Rays? - “Twilight rays” are but one of several viewing treats for the liminal time between day and night
Astronomers are excited about this hot Neptune desert exoplanet - NASA’s space telescope Transiting Exoplanet Survey Satellite has discovered a “hot Neptune desert” exoplanet in a tight orbit around its host star
3D printing for tiny blood vessels could help bring an end to animal drug testing - A study that harnesses a pioneering 3D printing technique to create tiny human blood vessel structures could eventually help end the use of animals to test new drugs.
Microfluidic system offers a '48-hour solution' to antimicrobial resistance evolution - A team of researchers has developed a microfluidic system to tackle antimicrobial resistance (AMR).
December’s Night Sky Notes: Spot the King of Planets - by Kat Troche of the Astronomical Society of the Pacific Jupiter is our solar system’s undisputed king of the planets!
Chemists find alkyl groups are electron-withdrawing, challenging a century-old belief - Scientists are calling for changes to chemistry textbooks after discovering a fundamental aspect of structural organic chemistry has been incorrectly described for almost 100 years.
For Killer Whales, Saddle Patches are Like Fingerprints - One of the killer whale’s most distinguishing features is its saddle patch: an area of gray or white coloration behind its dorsal fin.
String Theory Is Not Dead - Out of the limelight, theoretical physicists seek the math that can explain the universe’s particles and forces.
Expert verdicts on social media ban show why it’s contentious - The proposed social media ban for under-16-year-old Australians has passed the Senate, and will come into force in 12 months’ time.
How these killer whales learned to hunt the world’s largest sharks - A pod of killer whales in the Gulf of California is believed to have learned a unique set of skills to hunt the world’s largest fish: the whale shark.
A Keto Diet Could Enhance Cancer Drug Effectiveness - In mice, a ketogenic diet remodeled the translatome of pancreatic cancer cells, rendering them vulnerable to targeted therapy.
Uganda unlocks value from honey by-product - Ugandan researchers develop high-value propolis products to boost beekeepers' incomes and improve public health.
Will flights really reach net zero by 2050 - and at what cost to passengers? - Governments don’t want to tell people they’re going to have to pay more, argues an expert.
November 28, 2024
Coral adaptation unlikely to keep pace with global warming - Coral adaptation to ocean warming and marine heatwaves will likely be overwhelmed without rapid reductions of global greenhouse gas emissions, according to an international team of scientists.A fossil first: Scientists find 1.5-million-year-old footprints of two different species of human ancestors at same spot - More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed each other as they scavenged for food.
Extraordinary – Australian scientists create virtual reality for insects - An interdisciplinary team of biologists and software engineers have developed a virtual reality arena for small animals that simulates real world environments.
Fossil footprints show different hominin species coexisted 1.5 million years ago - Newly discovered fossil footprints in Kenya’s Turkana Basin shows at least 2 different early human species walking on the edge of a lake at the same time.
Two Different Early Human Species Walked the Same Lake 1.5 Million Years Ago - First-ever dual-hominid-species footprints discovered with a combination of fame and fortuities.
Fossil Footprints Suggest Two Early Human Species Crossed Paths within Hours - Two sets of fossilized footprints from early human species were made within a few hours of each other about 1.5 million years ago, researchers suggest
How Much Are Asteroids Really Worth? - Popular media love talking about asteroid mining using big numbers.
DATA DEPENDENT: Escalating Avian Flu Crisis: Outbreak Trends, Human Infections, and Emerging Public Health Challenges - Avian flu outbreaks are increasing across North America, impacting poultry, livestock, and raising public health concerns due to rare human cases.
Meat Has a Distinct Taste, Texture and Aroma − How Plant-Based Alternatives Mimic the Real Thing - Lots of restaurants and food manufacturers offer plant-based meat alternatives.
Opioid-Free Surgery Treats Pain at Every Physical and Emotional Level - Opioids have been an essential part of anesthesia, but they aren’t the only way to manage pain.
Euclid Could Find 170,000 Strong Gravitational Lenses - Gravitational lensing is a concept where dark matter distorts space revealing its presence through its interaction with light.
Uranus’s Wobbling Moons Could Point to Oceans Under the Ice - Subsurface oceans of liquid water are a common feature of the moon’s of Jupiter and Saturn.
DAILY DOSE: Biden administration announces new measures to restrict China’s AI development; Alibaba unveils QwQ-32B-Preview reasoning AI with 32.5 billion parameters. - The Biden administration aims to limit China's advanced AI development and expand healthcare access through new proposals for drug coverage and AI regulation.
Rocket Report: A good week for Blue Origin; Italy wants its own launch capability - Blue Origin is getting ready to test-fire its first fully integrated New Glenn rocket in Florida.
Genebanks needed for climate-resilient crops to thrive - Investment in Africa's genebanks is vital to protect its agricultural biodiversity and develop climate-resilient crops.
Improving long COVID symptoms - CBT and rehabilitation likely improve long covid symptoms, with modest effects; other therapies show little effective evidence, requiring cautious intervention.
This stretchy lithium-ion battery is self-healing - Stretchy, self-healing lithium-ion batteries could be a viable power source for wearable mobile phones, soft robotics, and electronic skin, according to a new study.
Chemical replacing TNT in explosives more harmful to plants - Experts are also calling for urgent work to understand the effects on humans and plants of a new chemical increasingly being used to replace TNT in explosives.
What links all the birds that have gone extinct in the last 500 years? - Biologists have analysed the traits of all 216 bird species that have become extinct since 1500 in a bid to inform the conservation of endangered birds.
November 27, 2024
Aaron Yazzie: Bridging Indigenous Heritage and Space Exploration - Aaron Yazzie's dream of being part of humanity’s exploration of space took him on a journey from his childhood home on the Navajo Nation to working at NASA'sStem Cells Grown in Space Could Revolutionize Medicine Here on Earth - Extended periods spent in microgravity can take a serious toll on the human body, leading to muscular atrophy, bone density loss, vision problems, and changes to the cardiovascular, endocrine, and nervous systems.
Thanksgiving Celebrations in Space - The Thanksgiving holiday typically brings families and friends together in a celebration of common gratitude for all the good things that have happened during the previous year.
Man suffers chemical burn that lasted months after squeezing limes - The toxin is in more foods than you might think, including carrots, parsley, limes, and lemons.
The New Climate Math on Hurricanes - For the first time, we can calculate how much climate change impacts a single storm’s severity.
What fossilized dino feces can tell us about their rise to dominance - Scientists studied trace fossils called bromalites to reconstruct critical food webs in late Triassic, early Jurassic.
Your Friends Shape Your Microbiome—and So Do Their Friends - Analysis of nearly 2,000 people living in remote villages in Honduras reveals who’s spreading gut microorganisms to whom
Tackling Mangrove Protection Challenges in Thailand - Your guide to the most essential developments in life sciences
Magnetic Tornado is Stirring up the Haze at Jupiter’s Poles - Jupiter is a stunning planet to observe.
Electric Cars Have Killed Nissan - Their Infiniti car couldn't ruin Nissan, but a climate where government mandates and subsidizes electric cars, which means deviating down to the revenue and running lean, are going to put them out of business.
Marijuana For ADHD? - Cannabis and THC, its main psychoactive compound, have been endorsed by people suffering from anxiety, sleep problems, epilepsy, and cancer pain.
Fat Cells Can Retain a Genetic Memory — Even After Weight Loss - Research shows that genetic reasons are why some dieters experience the Yo-Yo Effect.
Extreme temperatures are rising in these global ‘hotspots’ - New research has identified several regions of the globe where heatwaves are increasing at a rate far higher than state-of-the-art climate models have been projecting.
Clinical trial reveals twice-yearly injection to be 96% effective in HIV prevention - Recent results from a recent clinical trial indicate that a twice-yearly injection of Lenacapavir offers an overall 96% reduced risk of acquiring HIV.
First new treatment for asthma attacks in 50 years - A recent trial finds an injection given during some asthma and COPD attacks is more effective than the current treatment of steroid tablets, reducing the need for further treatment by 30%.
THE VERDICT: Jay Bhattacharya to Lead the NIH Is A Controversial Choice Rooted in Questionable Priorities. - Trump's appointment of Dr. Bhattacharya to lead NIH raises concerns about public health, scientific integrity, and ideological bias in research.
Teaching a drone to fly without a vertical rudder - We can get a drone to fly like a pigeon, but we needed to use feathers to do it.
John Herrington Performs a Spacewalk - On Nov. 30, 2002, NASA astronauts John Herrington (pictured) and Michael Lopez-Alegria performed the third and final spacewalk of the STS-113 mission.
Choosing Empathy Is Critical to Democracy - If we lose sight of why empathy matters, both individual dignity and democracy suffer
DAILY DOSE: Trump and Kennedy Jr. May Clash Over Policies; Leaked Documents Expose Plastics Industry’s Efforts To Make The World Love Plastic. - Trump and Kennedy Jr. may clash over health policies; Kennedy's focus on food regulation and anti-Big Pharma efforts could create tensions.
If You Like Thanksgiving, Thank Capitalism - Europeans who emigrated to the colonies in America had a dream of religious freedom, denied to them by European elites and government-mandated beliefs, and legal equality, absolutely impossible in England if you were poor, but they also believed in an economic Utopia.That last belief nearly cost them their lives.
Walking Pneumonia Is Surging in Young Kids. Here's What to Know - Milder cases of pneumonia, dubbed “walking pneumonia,” are on the rise in young children this year
Fossilized Dinosaur Poop Helps Explain 30-Million-Year Evolutionary Gap - Find out what dinosaurs ate and why it was important for their evolution as researchers analyze dinosaur poop.
Early North Americans made needles from fur-bearers - Paleoindians at Wyoming's LaPrele mammoth site made needles from the bones of fur-bearers, likely to creat garments from the animals' furs to keep warm in a cool climate.
Nanorobot hand made of DNA grabs viruses for diagnostics and blocks cell entry - A tiny, four-fingered 'hand' folded from a single piece of DNA can pick up the virus that causes COVID-19 for highly sensitive rapid detection and can even block viral particles from entering cells to infect them, researchers report.
Discovering the traits of extinct birds - Analysis of 216 extinct species by biologists found birds endemic to islands, occupied ecologically specific niche, lacking flight, with large bodies and sharply angled wings were the ones likely to disappear the soonest after 1500.
NASA Plane Supported Innovative Microgravity Research in ‘90s - A bell rings and a strobe light flashes as a pilot pulls the nose of the DC-9 aircraft up sharply.
What Makes the Eastern U.S. Drought Different from the West’s - Drought is more synonymous with the western U.S., but the eastern part of the country can descend into such conditions surprisingly quickly
An Electronic Traffic Monitor for Airports - Ground traffic management program saves passengers and airlines time while cutting fuel costs
Here’s How To Cook With Fewer Added Sweeteners This Holiday Season - The holidays are upon us, and that means sweet seasonal holiday dishes.
Moving 'hotspot' created world's longest straight underwater mountain belt - New research has revealed that the Ninetyeast Ridge -- the Earth's longest straight underwater mountain chain -- formed through a different process than previously believed.
Team solves a nearly 200-year-old challenge in polymers to offer independent control of stiffness and stretchability - Researchers at the University of Virginia School of Engineering and Applied Science have developed a new polymer design that appears to rewrite the textbook on polymer engineering.
Expressions of Pain May Have a Common Origin - From “ouch” to “ aïe ” to “ yakayi, ” languages across the world exclaim pain using similar-sounding words, hinting at a common origin
Science for True Well-Being - The latest research is an antidote to toxic quackery and honest confusion about health
'Genetic time machine' reveals complex chimpanzee cultures - Chimpanzees are known for their remarkable intelligence and use of tools, but could their cultures also evolve over time like human cultures?
Fossil dung reveals clues to dinosaur success story - Researchers have been able to identify undigested food remains, plants and prey in the fossilized feces of dinosaurs.
Where Do Butterflies Migrate From? Clues Can Be Found in Pollen on Their Bodies - Trillions of insects move around the globe each year.
Scientists synthesize unsymmetrical ureas using non-phosgene method - Unsymmetrical ureas can form multiple stable hydrogen bonds with proteins.
Harvesting water from air: Copolymer solution uses water-loving differential to induce desorption - Harvesting water from the air and decreasing humidity are crucial to realizing a more comfortable life for humanity.
A Science Breakthrough Too Good to Be True? It Probably Isn’t - The more exciting, transformative, and revolutionary a science result appears, especially coming out of nowhere, the more likely it is to be dead wrong.
Magnetic tornadoes the size of Earth appearing and disappearing on Jupiter - Earth-sized magnetic tornadoes at Jupiter’s poles have astronomers scratching their heads.
Microscopic black holes may be flying through our solar system - These flybys could jostle the orbits of planets and satellites as teeny black holes whiz by us once a decade or so.
Fluoride in Drinking Water Is Safe. Here’s the Evidence - RFK, Jr., and other potential and current government officials have spread shaky health claims about fluoridated water.
A Psychologist’s Tips for Avoiding Overconsumption this Black Friday - Holiday deals are designed to be irresistible.
The Secret Sex Lives of Deep, Dark Corals - The wooden fishing boat chugs across Comau Fjord, a finger of dark water wedged between the snowy peaks of Chilean Patagonia.
Depression may cause period pain, suggests study - Researchers know there’s a connection between menstruation and mental health, but it’s a complicated one – with the cause and effect between various conditions poorly defined.
Does the future of Australia’s space industry lie on the ground? - A leading Australian commentator says Australia should build on its space industry capabilities in areas where it excels on the global stage – ground and data space infrastructure.
November 26, 2024
NASA data reveals role of green spaces in cooling cities - A study reveals cities in the Global South have less green space, resulting in lower cooling capacity than Global North cities, exacerbating heat challenges.How QbD Can Drive Innovation And Quality In Pharmaceuticals - Quality by Design (QbD) is a decade-long approach that was first introduced by quality expert Joseph M. Juran.
Simple secret to living a longer life - Increasing physical activity levels could extend your life up to 11 more years according to new research using accelometry data.
Unexplained heat-wave ‘hotspots’ are popping up across the globe - 2023 was Earth's hottest year, revealing severe heat wave patterns causing significant health and agricultural impacts globally, challenging climate models.
NASA Awards Contract for NOAA’s Next-Generation Space Weather Sensors - NASA, on behalf of the National Oceanic and Atmospheric Administration (NOAA), has selected Johns Hopkins University’s Applied Physics Laboratory of Laurel,
NASA, USAID Invite Media to Launch of New SERVIR Central America Hub - NASA and the U.S. Agency for International Development (USAID) invite media to the official launch celebration of the new SERVIR Central America regional hub,
Selfie Time with Astronaut Victor Glover - Employees at NASA’s Kennedy Space Center in Florida and NASA astronaut Victor Glover (right) happily snap a photo of themselves during a visit on Nov. 8, 2024.
Licking this “lollipop” will let you taste virtual flavors - It produces nine flavors: Sugar, salt, citric acid, cherry, passion fruit, green tea, milk, durian, and grapefruit.
Catching invasives with curiosity: citizen science levels up biosecurity - The latest weapon in the war against invasive pests might be – you!
World's oldest lizard wins fossil fight - A storeroom specimen that changed the origins of modern lizards by millions of years has had its identity confirmed.
K0 Regeneration - Last week I got to the part of my course in Subnuclear Physics for Statisticians (yes, there is such a course at the Department of Statistical Sciences in Padova, and I have been giving it since its inception 6 years ago!)
Fast Fashion Affects Climate, Exploits Workers and Creates Enormous Textile Waste - Fast fashion may seem cheap, but it’s taking a costly toll on the planet — and on millions of young people
Think You Could Outrun a T. rex? Here's How Fast Dinosaur Predators Ran - In the Age of Dinosaurs, survival often came down to endurance rather than speed.
Organoids as a Tool for Tissue Regeneration Research - Explore how researchers use organoids to understand tissue regeneration and develop novel therapies.
NASA awards SpaceX a contract for one of the few things it hasn’t done yet - This was the first time ULA's Vulcan rocket was eligible to compete for a major NASA contract.
Queer Death Studies And Shrimp: Welcome To Humanities Academia - The abstract for a new humanities paper published by the former Nazis who now own a surprising chunk of science media (Holtzbrinck Publishing Group) reads like it was created using a postmodernism generator.Maybe it was.
Wildfire Smoke Linked to Increased Risk of Dementia - The particles that make up wildfire smoke may raise the risk of dementia even more than similar airborne pollutants from other sources
Things aren’t looking good for infamous CEO of “health care terrorists” - Former Steward CEO Ralph de la Torre faces wide-ranging fraud and corruption probes.
Prehistoric Bird Brain May Be a Rosetta Stone for Avian Evolution - Learn more about Navaornis hestiae, the bird that could be a missing link to understanding how birds evolved from their prehistoric forbears.
Teen Mathematicians Tie Knots Through a Mind-Blowing Fractal - Three high schoolers and their mentor revisited a century-old theorem to prove that all knots can be found in a fractal called the Menger sponge.
How the Return of Salmon to the Klamath River Shows Us What’s Possible in Wildlife Conservation - Once a tragic example of degraded wildlife habitat, the Klamath River’s dam removal demonstrates how people can halt the decline of, and even restore, wildlife
Unexplained heat-wave 'hotspots' are popping up across the globe - A striking new phenomenon is emerging: distinct regions are seeing repeated heat waves that are so extreme, they fall far beyond what any model of global warming can predict or explain.
Fake Cheese, Now With More Climate Justice - A brand of fake cheese - it must be that Europe doesn't require standards of identity so bacon can label itself vegan if cheese can - is making the rounds on social media again because of its virtue signaling to wealthy progressives that they are saving the planet even more ethically.By posting their virtual carbon cost.
Cobalt ions, not covalent organic frameworks themselves, drive catalytic activity, study finds - Covalent organic frameworks (COFs) are less stable as catalysts than previously thought but remain highly active.