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Evolution May 13, 2021

How snake fangs evolved to perfectly fit their food

Few structures in nature inspire more fear and fascination than the fangs of venomous snakes.

Plants & Animals May 13, 2021

How widespread is lemur and fossa meat consumption?

A new study by WCS (Wildlife Conservation Society) looks at the prevalence of human consumption of lemur and fossa (Madagascar's largest predator) in villages within and around Makira Natural Park, northeastern Madagascar, ...

Ecology May 13, 2021

Can fisheries benefit from biodiversity and conserve it too?

A new study, by researchers from Simon Fraser University and the Department of Fisheries and Oceans, reveals the trade-offs of fish biodiversity—its costs and benefits to mixed-stock fisheries—and points to a potential ...

Plants & Animals May 13, 2021

Female northern elephant seals spend 18 hours a day foraging in deep sea

A team of researchers from the National Institute of Polar Research, the University of California, Santa Cruz and the University of North Carolina has found that adult female northern elephant seals dive deep into the ocean ...

Plants & Animals May 13, 2021

High levels of mercury in fish are affected by diet and environment

Fish provide important dietary nutrients, such as essential proteins, lipids and polyunsaturated fatty acids (PUFA). However, they are also a major contributor to the potent neurotoxin mercury (Hg) exposure to humans.

Plants & Animals May 13, 2021

Largest-ever study of artificial insemination in sharks—and the occasional 'virgin birth'

It's a tough time to be a shark. Pollution, industrialized fishing, and climate change threaten marine life, and the populations of many top ocean predators have declined in recent years. In addition to studying sharks in ...

Archaeology May 12, 2021

Ancient Easter Island communities offer insights for successful life in isolation

After a long journey, a group of settlers sets foot on an otherwise empty land. A vast expanse separates them from other human beings, cutting off any possibility of outside contact. Their choices will make the difference ...

Paleontology & Fossils May 12, 2021

Evolution of a smile: 400 million year old spiny fish overturns shark theory of tooth origins

Teeth play a central role in the ecology of most vertebrates—for catching prey, processing food and even attracting a mate. It's no surprise that scientists such as ourselves have long been interested in how teeth first ...

Paleontology & Fossils May 12, 2021

Prehistoric horses, bison shared diet

University of Cincinnati researchers studied the teeth of prehistoric horses and bison in the Arctic to learn more about their diets compared to modern species.

Plants & Animals May 12, 2021

Looming googly-eyed buoys effective at keeping seabirds safe from fish nets

A team of researchers affiliated with several institutions in the U.K. and one in Estonia has created a type of buoy that has proven to be effective at repelling seabirds, thus preventing them from getting caught in gillnets. ...

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