Articles tagged with Museums
A study of preserved fish specimens reveals a 140-year decline in parasite populations due to warming oceans. Parasites with multiple host species declined severely, threatening ecosystems and top apex predators. The study highlights the vulnerability of parasites to climate change and inspires further research.
A rare fossil discovery provides new insights into the diet of Microraptor, a bird-like dinosaur with four wings. The find suggests that Microraptor was an opportunistic predator feeding on various species, including fish, birds, lizards, and small mammals.
Researchers analyzed fossil bed in Nevada's Berlin-Ichthyosaur State Park to determine cause of mass extinction. They found evidence that ichthyosaurs died due to migration, not mass stranding or environmental toxins.
Researchers are conducting on-site surveys and generating high-resolution damage maps for 20-square-mile region affected by the Category 4 storm. The goal is to inform protection efforts and help communities recover from the disaster.
A team of scientists found evidence that 37 ichthyosaurs died in the same location, suggesting they were migrating to give birth over hundreds of thousands of years. Geochemical tests revealed no signs of environmental disturbance or mass stranding events, pointing to a more plausible explanation for their demise.
A study by McGill University researchers found that Northern Tree Shrews' body size increased with warmer climates, contradicting Bergmann's rule. The team analyzed museum specimens and historical climate data, revealing a reversal of the Island rule as well, highlighting the complex interaction between ecological factors.
A study by the American Museum of Natural History and collaborators classifies the world's simplest animals, placozoans, using genetic makeup, revealing distinct lineages and relationships to cnidarians and bilaterians. The research establishes a backbone taxonomy for the phylum, providing insight into their evolution and diversity.
Research reveals that Florida's incredible plant diversity was shaped by the peninsula's repeated growth and shrinkage during ice ages. Scrub mints, a unique group of plants endemic to the southeastern US, radiated into multiple new species as they became isolated on islands due to sea level changes.
New study reveals plastic additives selectively harm corals' reproductive processes, development, and settlement, affecting ecosystem balance. Researchers found alarming effects of environmental concentrations on various organisms, highlighting the urgent need for better risk assessments.
A study found that children think they have less access to common measurement tools and toys than their parents. This disparity can hinder STEM interest and success, as prior experience with tools is crucial for self-efficacy. The authors argue that this issue persists due to unnoticed gaps between parental and child perspectives.
Fossils of Whatcheeria, a six-foot-long lake-dwelling creature, revealed that it grew big by front-loading its growth in its youth. Contrary to the slow-and-steady growth pattern seen in many modern reptiles and amphibians, Whatcheeria's rapid growth as a juvenile provided a competitive advantage as a top predator.
A gold coin long dismissed as a forgery appears to be authentic and depicts Emperor Sponsian, who ruled Roman Dacia during civil wars. The study used scientific analysis to confirm the coin's authenticity, shedding light on Sponsian's history.
A study reveals that porcini mushrooms have evolved in different ways across the globe, with local ecological factors playing a stronger role in maintaining genetic distinctiveness than genetic flow. The findings challenge traditional notions of species development and suggest multiple evolutionary strategies for this organism.
Researchers developed a pedigree for aquarium-bred corals, revealing relationships between individuals and identifying genetic differences. The study provides insights into maximizing genetic diversity and adaptability in corals bred for conservation, crucial for their resilience to threats like ocean warming and acidification.
An international team of researchers found evidence of cooked fish remains at the Gesher Benot Ya'aqov archaeological site in Israel, dating back approximately 780,000 years. This discovery predates previous knowledge by about 600,000 years and sheds light on the evolution of cooking techniques.
Despite declining coral, fish, seagrass, and manatees in the Florida Keys, sea urchin populations have remained relatively stable since the 1960s. These marine animals are essential for maintaining healthy environments by cleaning, ventilating, and enriching sediment.
A 166-million-year-old Scottish fossil, Bellairsia gracilis, provides insights into the early evolution of lizards. The nearly complete skeleton reveals a mix of ancestral and modern features, shedding light on the ancestry of squamates, which include lizards and snakes.
A new study identifies Scleromochlus taylori as an early relative of pterosaurs, shedding light on the evolution of flying reptiles. The discovery uses CT scans to provide detailed reconstructions of the fossil, confirming its link to lagerpetids and supporting the hypothesis that flying reptiles evolved from small, bipedal ancestors.
Researchers found the moths originated from the Baja Peninsula and Arizona, with a new subspecies discovered in western North America. The study recommends using synthetic pheromones to control the invasive pest.
Scientists discover Opisthiamimus gregori, a new extinct species of lizard-like reptile that lived in Jurassic North America alongside dinosaurs. The discovery sheds light on the evolution of rhynchocephalians, an order that diverged from lizards over 230 million years ago.
Three pre-Columbian South American mummies found evidence of lethal trauma, with two males dying from extreme intentional violence. The study used 3D CT scans to examine the mummies and provide new insights into the rate of trauma and violent deaths in prehistoric human societies.
A new study reconstructs the skeletal structure of Coelurosauravus elivensis, a Late Permian reptile that likely used tree canopy changes to facilitate its evolution. The research reveals the gliding apparatus was supported by either the gastralia or musculature of the trunk.
Chemistry experts examined a decorative tassel on a 1,300-year-old Chinese dancing horse sculpture, discovering it was made of plaster and animal glue. The find provides new insights into the artwork's conservation history, suggesting multiple restoration efforts over centuries.
Scientists discovered the rarest North American snake, Tantilla oolitica, locked in fatal combat with a giant centipede it swallowed. The CT scan revealed that the centipede's size was the final blow, cutting off the snake's air supply.
A team of paleontologists led by Virginia Tech has discovered a new, early dinosaur in Zimbabwe, which is the oldest dinosaur skeleton found in Africa. The newly named Mbiresaurus raathi was estimated to be around 6 feet long and weighed between 20-65 pounds.
Researchers at the Florida Museum of Natural History found that frog forelimbs are not just for jumping, but also for fighting and grasping mates during reproduction. The fused radius and ulna bones provide strength and weight reduction, while also increasing stress on the tendon connecting to the bone.
Researchers from the University of Copenhagen and Aarhus University have discovered new insights into the coelacanth's unique physiology, including its ability to swim upside down. The study used CT and MRI scanners to model the fish's body, revealing a special skeleton and precise distribution of fatty tissue.
A new genus of shrew-mouse has been discovered on a mountain in the Philippines, revealing unique characteristics and insights into biodiversity. The discovery is significant as it provides crucial information to protect giant eagles, one of the critically endangered bird species found in the area.
Scientists analyzed UK bumblebee populations and found evidence of increasing stress due to climate change, with higher asymmetry in wing shapes linked to hotter and wetter years. The study used ancient DNA methods to determine genetic diversity loss and adaptability of bee genomes over time.
A study of the variegated snailfish reveals it has the highest expression levels of antifreeze proteins ever reported, crucial for survival in sub-zero waters. Warming oceanic temperatures pose a threat to these specialized fishes as they face increased competition from temperate species.
A randomized controlled trial found that virtual museum visits significantly improved the health of seniors stuck at home, reducing social isolation and improving well-being, quality of life, and frailty. The study recruited 106 participants aged 65 and older who attended guided tours online once a week for three months.
Visitors to the Illinois Holocaust Museum reported feeling empowered and motivated to address injustice after experiencing exhibits on human rights and anti-racism. The study found that negative emotions triggered by the exhibits can lead to collective positive emotions, inspiring visitors to engage in social activism.
Two new-to-science scorpions, Paruroctonus soda and P. conclusus, are described by Bay Area high school students Harper Forbes and Prakrit Jain in collaboration with the California Academy of Sciences. The species are alkali sink specialists found only in playas from Central and Southern California.
Researchers found compact fragments in the Aguas Zarcas meteorite that wouldn't break apart, leading to CT scans revealing deformed rocks with the same orientation. The team proposed a hypothesis that asteroids 'spit out' pebbles due to high-speed collisions and thermal cycling, which can cause rock brittleness.
Researchers use correlative tomography to analyze and verify the authenticity of shrunken heads (tsantsas) in museum collections. The study reveals new insights into these mysterious artifacts, shedding light on their origins and cultural significance.
A new study reveals that mountain lion predation on wild donkeys is widespread and leads to changes in their behavior and ecological effects on desert wetlands. This interaction between predator and prey suggests a more dynamic ecosystem than previously thought.
A new study published in Evolutionary Biology refutes a claim that Tyrannosaurus rex should be reclassified into three separate species based on variations in leg bones and teeth. The researchers found that the earlier proposal lacked sufficient evidence and was based on limited comparative samples, non-comparable measurements, and imp...
A Tel Aviv University study reveals that corals' fluorescence serves as a lure for plankton, which are then consumed by predators like corals. The researchers found that green-fluorescent corals were 25% more preyed upon than yellow-fluorescent ones.
Three new hawk moth species have been discovered in The Bahamas, measuring only about the length of a vitamin pill. Their small size is thought to be an adaptation to survive harsh weather conditions such as hurricanes and drought.
A new study finds that brief online art viewing can lower negative mood and anxiety while increasing subjective well-being. The effects are comparable to those of visiting physical art galleries or engaging in nature experiences.
A new £25m fund will bring together UK researchers, universities, and businesses to use design to address the climate crisis. The programme will focus on innovative design solutions to shift dependence on fossil fuels and support the British Government's commitment to decarbonise the economy.
A fossilized wrist bone from a 6-7 million-year-old giant panda ancestor reveals the earliest evidence of a bamboo diet and the evolution of its unique 'thumb' structure. The discovery sheds light on how this adaptation allowed ancient pandas to thrive on a low-nutrient bamboo diet.
Researchers at the Field Museum used innovative techniques to extract usable DNA from centuries-old specimens, including a two-foot-long greenish-brown snake from Borneo. The study successfully determined the snake's family affiliation, providing insights into biogeography and evolutionary history.
A team of ecologists from CU museum identified over 7,000 organisms, mostly bacteria, in the guts of Rocky Mountain snails collected between 1920 and 2018. The findings show that microbiomes can offer insights into how animals interacted with their environments centuries ago.
A new study shows that community science activities can produce high-quality taxonomic data sets, empowering community scientists and supporting biodiversity discovery. Thousands of microscopic liverwort leaves were measured by community scientists over two years, with surprising accuracy.
Researchers analyzed 96 fired clay fragments across 11 islands to reconstruct ancient trade routes in the Caribbean. The study found that the cultural hub was centered on the northwest coast of Hispaniola, challenging previous assumptions about the region's historical significance.
A conceptual species 'stock market' aims to assign economic value to species and ecosystems, promoting sustainability and biodiversity conservation. The SSM would enable the valuation of ecosystem services and actions that harm or benefit biodiversity, fostering a unified approach to environmental decision-making.
A study from Tel Aviv University found that invasive marine species can survive in extreme conditions, including changing temperatures and salinity. The researchers' experiment demonstrated the importance of regulating trade routes to prevent the spread of invasive species, which can harm local environments and resident species.
A new study suggests that the bones of fallen Battle of Waterloo soldiers were likely sold as fertilizer due to the scarcity of human remains found on the battlefield. The research, published in the Journal of Conflict Archaeology, is based on original data and visitor accounts from the time period.
Researchers studied miniature frogs from the genus Brachycephalus and found that their small vestibular system prevents them from maintaining balance. The tiny frogs can jump but struggle to control their trajectory mid-leap.
Researchers from Tel Aviv University and the Hebrew University discovered charcoal remnants from olive trees at the Chalcolithic site of Tel Zaf, indicating intentional cultivation around 7,000 years ago. This marks the earliest evidence of domestication of a fruit tree worldwide.
A giant tortoise from the Fernandina Island species, believed extinct for over a century, has been confirmed alive through genetic sequencing. The discovery opens up new questions about its evolutionary relationship to other Galápagos tortoises and provides hope for conservation efforts.
The Gloucester, a warship that sank in 1682 while carrying James Stuart, has been discovered off the Norfolk coast. The wreck is significant due to its age and political context, offering insights into 17th-century social, maritime, and political history.
A new study by an international collaboration of researchers highlights the legacy of colonialism in scientific practice across the Caribbean archipelago. The authors outline systemic issues related to perceptions and scientific practice, but also describe positive steps being taken in countries like Trinidad and Tobago and The Bahamas.
The first international study of its kind assesses the status of all reptile species, revealing that at least 2,000 species are threatened with extinction. The study found that 50% of turtle and crocodile species face extinction threats, while 30% of forest-dwelling reptiles and 14% of arid area reptiles are in danger.
The collaboration between public and private organizations has led to innovative applications in tourism and culture sectors. Visitors can interact with a humanoid robot and solve puzzles using Meta Quest visors connected to the 5G network, exploring artworks and moving virtual objects.
A team of ornithologists revised a Romanian museum collection, uncovering rare species and updated taxonomy. The study provides valuable information on the status of avifauna in the Carpathian basin during the 19th and 20th centuries.
Researchers found that fruit bats use echolocation during the day despite having excellent vision, suggesting a combination of both senses for enhanced navigation. This study highlights the importance of integrating different senses, like humans using visual and auditory information when crossing streets.
Scientists have partnered with park rangers in Ecuador to monitor butterfly populations, which serve as an indicator of ecosystem health. This approach aims to provide a more comprehensive understanding of biodiversity changes over time, addressing the limitations of traditional conservation methods.
Scientists have discovered six new species of frog in Mexico's forests, with one being the country's smallest, the 13mm-long Craugastor candelariensis. The newly discovered species are known as 'direct-developing' frogs, emerging from eggs as perfect miniature frogs.