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Science News Archive April 2021


Page 43 of 46

Humans were apex predators for two million years

Researchers at Tel Aviv University reconstructed the nutrition of stone age humans, finding they were specialized carnivores with a high-fat diet. The study used multiple lines of evidence, including genetics, metabolism, and archaeology, to conclude that humans evolved as apex predators for two million years.

New IT system may help film scriptwriters achieve box-office success

Researchers from the University of Granada and the University of Cádiz have developed a computer system that can help film scriptwriters create successful storylines by analyzing common tropes in films. The system uses artificial intelligence to predict which narrative devices or plot twists are likely to work well with audiences.

Incidence of blood clots in adults tested for SARS-CoV-2

A large health system study found a significant association between SARS-CoV-2 testing and an increased incidence of outpatient and hospital-associated blood clots in adults. The 30-day risk was higher for women and individuals with certain underlying medical conditions.

SAMSUNG T9 Portable SSD 2TB

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Researchers extend the life of a dipolar molecule

Harvard University researchers have extended the lifespan of a dipolar molecule, enabling stable qubits for quantum computing and simulation applications. The new method allows for controlled individual atom interactions, granting scientists a key resource for molecule-based quantum information processing.

Nonlinear wave mixing facilitates subwavelength imaging

A team of researchers from Shanghai Jiao Tong University has developed a new way to break the Abbe diffraction limit and realize subwavelength imaging in an all-optical manner. By utilizing nonlinear four-wave mixing, they create super-resolution through scattering of evanescent fields into the far field.

A sun reflector for earth?

A team of experts, including Phoebe Zarnetske and Jessica Gurevitch, investigate the ecological impacts of reflecting sunlight to cool the planet. Their research highlights the complexity of cascading relationships between ecosystem function and climate under different scenarios.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

New batteries give jolt to renewables, energy storage

Researchers at Cornell University have developed a new type of battery that uses aluminum, offering up to 10,000 error-free cycles and potentially replacing lithium-ion batteries. This innovative technology could provide a safer and more sustainable alternative for energy storage, addressing the challenges of intermittent solar energy.

Overfishing of Atlantic cod likely did not cause genetic changes

A Rutgers University-led study finds that overfishing is unlikely to be the primary cause of genetic changes in Atlantic cod. Instead, researchers suggest that addressing environmental factors such as climate change and reducing fishing pressure may be more effective in allowing cod populations to recover.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Maddening itch of liver disease comes from a surprising source

Researchers found that liver disease primary biliary cholangitis triggers a signaling cascade in skin cells, leading to the formation of micro-RNA bubbles that signal itching. The discovery could lead to new treatments for severe itching and potential liver disease markers.

NIST demo adds key capability to atom-based radio communications

Researchers at NIST have developed an atom-based sensor that can determine the direction of incoming radio signals, a crucial component for atomic communication systems. The sensor uses Rydberg atoms to measure phase differences and calculate signal arrival angles, offering advantages in accuracy and universality.

Yuck! Art historian leans in to notion of discomfort food

Kessler explores the psychological impact of food on art, revealing how paintings like Vollon's 'Mound of Butter' and Manet's 'Fish (Still Life)' evoke anxiety and discomfort. Her research sheds new light on the cultural significance of food in 19th-century France.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

End-of-life care remains aggressive for people with ovarian cancer

A recent study found that end-of-life care for people with ovarian cancer has not improved significantly since 2007, with Black patients experiencing higher rates of emergency department visits and intensive treatment. Palliative care recommendations have been included in guidelines, but its adoption remains limited.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

This hydrogen fuel machine could be the ultimate guide to self-improvement

Scientists at Berkeley Lab have discovered a self-improving property in Si/GaN that enables it to become more efficient and stable as an artificial photosynthesis device. The material, made of silicon and gallium nitride, can harness sunlight into carbon-free hydrogen with twice the efficiency and stability of previous technologies.

Scientists scour genes of 53,000+ people to better battle dangerous diseases

The study provides valuable insights into heart, lung, blood and sleep disorders, shedding light on human evolution and genetic mutation. The analysis identified 400 million genetic variants, with over 78% never described before, offering potential for new treatments and prevention strategies tailored to individual patients.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

COVID-19 news from Annals of Internal Medicine

Case report describes two patients who underwent a successful second dose of the Moderna vaccine using a graded dosing protocol after experiencing immediate hypersensitivity reactions. Both patients responded well and developed IgG antibodies, suggesting effective vaccination despite the modified dosing schedule.

Prenatal cytokine exposure and midlife stress response

A study of 80 people shows that prenatal exposure to proinflammatory cytokines is associated with different responses to stressful stimuli in adults. Women prenatally exposed to cytokines have altered brain activity and connectivity compared to men.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

How can remote workers best manage work-home conflict?

Remote workers can benefit from setting clear boundaries between their personal and professional lives, according to Rensselaer Polytechnic Institute professor Timothy D. Golden. Effective communication with family members and managers is crucial for maintaining a healthy work-life balance while working from home.

Understanding how cancer can relapse

Researchers discovered a cell-to-cell communication network that instructs tumor cells in tissues to regrow after genotoxic therapy. The study found that elevated p53 levels and release of interleukin-6 signal cells to activate growth signals, leading to tumor regrowth.

Doping by athletes could become tougher to hide with new detection method

Researchers have developed a new method using ion mobility-mass spectrometry to detect existing and emerging dopants in urine samples. This approach aims to characterize and identify banned substances, including steroids and glucocorticoids, and potentially predict the structure of newly created illicit steroids.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Making the case for adjusting quality measures for social risk factors

A new analysis by researchers led by Dr. David Nerenz of Henry Ford Health System suggests that accounting for social risk factors like poverty, housing instability and transportation insecurity can have a meaningful impact on healthcare quality measures without compromising quality of care. The study makes the case for using social ri...

Association of sociodemographic factors, blood type with risk of COVID-19

Researchers investigated the association of sociodemographic factors, including age, sex, ethnicity, and socioeconomic status, with the risk of SARS-CoV-2 infection. The study found a significant link between certain blood types and increased risk of severe COVID-19. Participants with type O negative blood were more likely to experienc...

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Unique mini-microscope provides insight into complex brain functions

A unique head-mounted mini-microscope device has enabled researchers to image complex brain functions of freely moving mice in real time over a period of more than 300 days. The device, known as the mini-MScope, allows holistic imaging of much of the mouse brain surface and captures connections between regions across the cortex.

Streamlining the process of materials discovery

Researchers at KAIST develop M3I3 Initiative to speed up materials development using multiscale/multimodal imaging and machine learning. The team creates a quantitative model using machine learning and presents a future outlook for advancements in materials science.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Announcing the launch of Global Africa, a new African academic journal

Global Africa aims to report on various issues in Africa and worldwide, fostering international-level evaluation standards. The journal's launch is part of a program that includes training courses, pop-up seminars, and conferences to cultivate African research production and dissemination ecosystem.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Science snapshots from Berkeley Lab -- April 1, 2021

Researchers used X-ray microscopy to analyze lithium batteries and employed machine learning to speed up the learning curve about process that shortens battery life. Infrared microscopy also goes off-grid with new technique, enabling time-sensitive experiments and broadening biological spectromicroscopy scope.

Realtime imaging of female gamete formation in plants

Researchers from Nagoya University successfully capture images of female gamete formation in Arabidopsis thaliana, revealing how cell fate is determined and providing insights into plant adaptation. The study's findings have significant implications for understanding fertilization rates and environmental resistance in plants.

Science has not kept pace with aquaculture

A new analysis found that only 84 of the 408 farmed species had available scientific studies on their welfare, while the majority lacked information. The researchers warn that aquaculture's expansion poses great risks to individual animal lives due to insufficient knowledge.

Meta Quest 3 512GB

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