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07/29/2021

Polar bears sometimes bludgeon walruses to death with stones or ice

Jul 29 2021 6:00 AM

Inuit reports of polar bears using tools to kill walruses were historically dismissed as stories, but new research suggests the behavior does occur.

If confirmed, tubes in 890-million-year-old rock may be the oldest animal fossils

Jul 28 2021 11:31 AM

Newly described wormlike fossils may be ancient sea sponges. If confirmed, the fossils would reveal a remarkably early start to animal life.

Near-invincible tardigrades may see only in black and white

Jul 28 2021 10:42 AM

A genetic analysis suggests that water bears don't have light-sensing proteins to detect ultraviolet light or color.

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The tiny dot in this image may be the first look at exomoons in the making

Jul 28 2021 6:00 AM

New ALMA observations offer some of the strongest evidence yet that planets around other stars have moons.

Why the CDC says it's crucial to start wearing masks indoors again

Jul 27 2021 6:50 PM

While unvaccinated people are driving the spread of the coronavirus, vaccinated people infected with the delta variant may also easily transmit it.

How some lizards breathe underwater

Jul 27 2021 8:00 AM

Researchers have figured out how some anole lizards can stay underwater for as long as 18 minutes.

More Recent Headlines

Why it's still so hard to find treatments for early COVID-19

Jul 27 2021 6:00 AM

Small studies, unexpected side effects and incomplete information about how drugs work can stymie clinical trials for drugs that can treat COVID-19.

A stunning visualization of Alaska's Yukon Delta shows a land in transition

Jul 26 2021 10:00 AM

Water and ice helped form the Yukon River's delta. Now, climate change is reshaping it.

'Wild Souls' explores what we owe animals in a human-dominated world

Jul 26 2021 8:00 AM

The new book Wild Souls explores the ethical dilemmas of saving Earth's endangered animals.

3.42-billion-year-old fossil threads may be the oldest known archaea microbes

Jul 26 2021 6:00 AM

The structure and chemistry of these ancient cell-like fossils may hint where Earth's early inhabitants evolved and how they got their energy.

With Steven Weinberg's death, physics loses a titan

Jul 24 2021 9:17 PM

The Nobel laureate advanced the theory of particles and forces, and wrote insightfully for a wider public.

What experts know so far about COVID-19 boosters for immunocompromised people

Jul 23 2021 11:41 AM

Some immunocompromised people remain at risk for severe COVID-19 despite being vaccinated. Studies hint that an additional vaccine dose might help.

How do scientists calculate the age of a star?

Jul 23 2021 8:00 AM

There are a few different methods to determine the age of a star, but none are perfect.

A partial skeleton reveals the world's oldest known shark attack

Jul 23 2021 6:00 AM

An ancient shark bite victim died quickly, before his body was recovered and buried, a new study finds.

Marsquakes reveal the Red Planet boasts a liquid core half its diameter

Jul 22 2021 2:00 PM

Analyses of seismic waves picked up by NASA's InSight lander shed new light on the planet's core and give clues to the thickness of the crust.

Pterosaurs may have been able to fly as soon as they hatched

Jul 22 2021 11:00 AM

A fossil analysis shows the flying reptile hatchlings had a stronger bone crucial for lift-off that adults and shorter, broader wings for agility.

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Thursday, July 29, 2021

Latest from Science News: Polar bears sometimes bludgeon walruses to death with stones or ice