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Health & Medicine

Here’s how COVID-19 is changing classes this year

To keep students and teachers safe from COVID-19, some things in the classroom are changing — and sometimes entire schools are being kept closed.

Space

Scientists Say: Asteroid, meteor and meteorite

Asteroids, meteors and meteorites are all space rocks. But one is in orbit, another is in the atmosphere and the third is on the ground on Earth.

Animals

A single chemical may draw lonely locusts into a hungry swarm

Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.

Animals

Some beetles can be eaten by a frog, then walk out the other end

After being eaten by a frog, some water beetles can scurry through the digestive tract and emerge on the other side — alive and well.

Archaeology

Women like Mulan didn’t need to go to war in disguise

Female skeletons in Mongolia show injuries like those of fighting men — evidence that they could be warriors, too.

Animals

Are coyotes moving into your neighborhood?

How do coyotes survive in New York City, Los Angeles and Chicago? Researchers and citizen scientists are working together to find answers.

Materials Science

Will bacterial ‘wires’ one day power your phone?

An accidental discovery helps scientists generate electricity out of thin —but humid — air with bacteria-made protein nanowires.

Animals

Here’s the summer science you might have missed

From sizzling Siberia and ‘smart’ toilets, to new uses for astronaut pee, more than COVID-19 made news this summer.

Microbes

Some deep-seafloor microbes still alive after 100 million years!

Some starving microbes nap while awaiting their next meal. For some living miles below the ocean surface, that nap may exceed 100 million years.

Planets

Let’s learn about space robots

Space robots can take pictures of other planets, analyze samples of their surface and even peer into their interiors.

Animals

Busy beavers may be speeding thaw of Arctic permafrost

As climate change continues, busy beavers are expanding their range in Alaska. Their dams could further speed the loss of permafrost there and promote local warming.

Health & Medicine

Scientists Say: Vaccine

Vaccines help the body develop immunity to a disease. They are biological mixtures that imitate a disease so the body can defend itself.