Search results for Walrus

Earth Sciences Jul 7, 2023

New study underscores need to protect 'oasis of the Arctic'

Amidst the vast frozen and barren terrain of the Arctic is a unique marine ecosystem supporting a web of diverse natural life that, according to a new study by scientist Kent Moore, is managing to sustain itself against the ...

Ecology Jun 26, 2023

The melting Arctic is a crime scene: Microbes have long warned us of this catastrophe, but they are also driving it

The Arctic's climate is warming at least four times faster than the global average, causing irrevocable changes to this vast landscape and precarious ecosystem—from the anticipated extinction of polar bears to the appearance ...

Plants & Animals Jun 26, 2023

Research team establishes baseline data on cortisol levels on leopard seals, mysterious apex predators in Antarctica

Leopard seals are prehistoric, reptilian-looking marine predators often portrayed as scary villains in movies such as "Happy Feet" and "Eight Below," but little is known about their basic biology. The combination of the extreme ...

Planetary Sciences Jun 23, 2023

NASA wants to identify phytoplankton species from space. Here's why

They're small, but they're mighty. From producing oxygen we breathe to soaking up carbon we emit to feeding fish we eat, tiny phytoplankton are a crucial part of ocean ecosystems and essential to life as we know it on Earth. ...

Evolution Jun 23, 2023

A new species of early toothed whale helps us understand the history of modern dolphins

Have you ever wondered what the earliest ancestors of today's dolphins looked like? Then look no further, meet Olympicetus thalassodon, a new species of early odontocete, or toothed whale, that swam along the North Pacific ...

Plants & Animals May 16, 2023

Opinion: 'Guardians of the Galaxy Vol. 3' urges us to defend real animals

As "Guardians of the Galaxy Vol. 3 "lights up the box office, its glow is reaching animals who are rarely seen: those in laboratories. Through the powerful stories of the central character Rocket Raccoon, alongside Floor ...

Plants & Animals Apr 20, 2023

Sea ice algae on which Arctic animals rely under threat from climate change

Sea ice algae is an essential resource for the survival of many species living in the Arctic.

Plants & Animals Apr 6, 2023

Gray seals are returning to UK waters, but their situation remains precarious

Seals, sea lions and walruses—a group of animals called pinnipeds—have been heavily exploited throughout much of human history. Many of these species have at some point even been threatened with extinction.

Ecology Feb 7, 2023

Polar bear in fatal Alaska attack was in poor health

A polar bear that killed a young mother and her baby last month in western Alaska was likely an older animal in poor physical condition, but tests came back negative for pathogens that affect the brain and cause aggressive ...

Plants & Animals Feb 2, 2023

Researchers have determined what African elephants can hear

With an electrode adhered to one fan-shaped ear, another on the back of the neck and a ground wire at its hip, an African elephant munches on a snack as it is presented with a sound, over and over again. A team of University ...

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