The Cornell Lab of Ornithology today announced the release of a new online tool for studying biodiversity and the evolutionary relationships among birds: the illustrated Birds of the World Phylogeny Explorer. Available on Birds of the World, the…
Category: 5. Biology
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Scientists just mapped the family tree of all 11,000 bird species—and you can explore it
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Obesity and High Blood Pressure May Cause Dementia
A new study published in The Journal of Clinical Endocrinology & Metabolism has shown that obesity and high blood pressure may directly cause certain types of dementia rather than just increasing the risk of…
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Fast-growing trees are taking over the forests of the future and putting biodiversity, climate resilience under pressure
Trees play a central role in life on Earth. They store CO₂, provide habitats for animals, fungi, and insects, stabilize soils, regulate water cycles, and supply resources that humans rely on—from timber and food to recreation and shade on a…
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Roadkill offers an ethical alternative to live wildlife in scientific research
A recent review of over 312 studies has identified dozens of unique uses of roadkill in scientific research. The review, published in Biology Letters, discusses the advantages of using roadkill instead of live wildlife and encourages researchers…
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Hearing tests uncover unexpected humpback sensitivity to high-frequency noise
University of Queensland hearing tests conducted across kilometers of ocean off the Australian coast show humpback whales react to higher frequency sounds than expected. Associate Professor Rebecca Dunlop from UQ’s School of the Environment said…
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Great white sharks grow a whole new kind of tooth for slicing bone as they age
A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the water, each slow, deliberate sweep of the powerful tail driving a body specialized for stealth, speed and efficiency. From…
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Cell surface glycoRNA clusters found to fine-tune growth factor signaling
The recent discovery of glycoRNAs on the cell surface upended the world of cell biology. These glycoRNAs were found to form highly organized clusters with cell surface RNA binding proteins (csRBPs), but their purpose remained unknown.
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Saltwater crocodiles traveled thousands of miles across the Indian Ocean, genetic study suggests
Accounts from early expeditions to the Seychelles more than 250 years ago described crocodiles as common along the coasts of the archipelago. But after the first settlers established a permanent presence in 1770, the Seychelles crocodiles were…
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Deep-sea fishing could undermine valuable tuna fisheries
A new study led by scientists at Woods Hole Oceanographic Institution (WHOI), along with international partners, finds that proposed commercial fishing in the deep ocean could have serious consequences for bigeye tuna, one of the world’s most…
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Gut Bacteria Proteins Directly Impact Immune Cells
In recent years, scientists have begun to reveal the myriad ways that gut microbes can impact our health; they have identified relationships between bacteria in the gastrointestinal tract and the human brain,
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