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Scientists Discover Enzyme That Could Result In A Drug Substitute For Exercise

By Richard Harris

Scientists have discovered an enzyme that is elevated in people and mice who exercise a lot. They hope the discovery could lead to medicine that would have some of the benefits of exercise.

  • July 9th 2020 at 22:01

Scientists Discover A New Formula To Calculate A Dog's Age In Human Years

Scientists have come up with a new formula to calculate a dog's age in human years — and it is much more complicated than multiplying its real age by seven.

  • July 8th 2020 at 21:55

To Come To The Rescue Or Not? Rats, Like People, Take Cues From Bystanders

By Nell Greenfieldboyce
Faced with a rat trapped in a restrainer, a free rat opens the trap

Experiments in people have long shown that the presence of indifferent bystanders hurts the chances that someone will help a stranger in an emergency. Rats, it turns out, behave the same way.

(Image credit: David Christopher/University of Chicago)

  • July 8th 2020 at 20:01

Antigen Test For COVID-19 Isn't As Reliable As Genetic Test, Experts Caution

By Rob Stein

Doctors are using a new antigen test that is a faster method to spot people infected with the coronavirus. It's cheaper and simpler but may be less reliable.

  • July 8th 2020 at 11:01

New Clues To ALS And Alzheimer's Disease From Physics

By Jon Hamilton
This light micrograph from the brain of someone who died with Alzheimer

Structures inside healthy brain cells nimbly move from one state to the next to perform different functions. But in certain degenerative brain diseases, scientists now think, that process gets stuck.

(Image credit: Jose Luis Calvo/ Science Source)

  • July 8th 2020 at 11:00

Survey: 3% Of Americans Moved Due To The Pandemic

By Laurel Wamsley
Students move out of dormitories at San Diego State University in March, after the university cancelled the rest of the semester and has asked students to move out within 48 hours. Nine percent of young adults say they

Among the young, the numbers shot up: 9% of adults 18-29 have moved due to the coronavirus. Some people moved to avoid catching the virus, while others were forced by the closing of college campuses.

(Image credit: Sandy Huffaker/AFP via Getty Images)

  • July 6th 2020 at 23:58

Scientist Makes A Discovery That May Lead To New Drugs For Rare Brain Diseases

By Jon Hamilton

J. Paul Taylor has found that some brain diseases, like Alzheimer's and ALS, are linked to a basic process inside brain cells. Scientists hope drugs that tweak the process can treat illnesses.

  • July 6th 2020 at 22:13

The Dentist Will See You Now. But Should You Go?

By Fran Kritz
Dental offices have begun seeing patients return for routine procedures. Seattle dentist Kathleen Saturay has increased the layers of protective equipment she wears when treating patients.

Dentists spend their careers eye to eye with infectious patients, their hands inside gaping mouths, and have a vested interest in making sure everyone stays safe. Here's how they do it.

(Image credit: Elaine Thompson/AP)

  • July 6th 2020 at 13:00

Why Some Young People Fear Social Isolation More Than COVID-19

By Yuki Noguchi
Recent protests in Philadelphia and across the country have drawn young people. But for most of the pandemic, youth have been quarantined and away from their social circles, which could make depression and other mental illness worse.

It's not that young adults aren't worried about the pandemic, psychologists say, but they are at far greater risk of dying by suicide. Finding ways beyond screens to foster social bonds is crucial.

(Image credit: Cory Clark/NurPhoto via Getty Images)

  • July 4th 2020 at 13:00

Widespread Use Of Face Masks Could Save Tens Of Thousands Of Lives, Models Project

By Huo Jingnan
A face mask covers the mouth and nose of one of the iconic lion statues in front of the New York Public Library Main Branch on Wednesday, July 1, 2020, in New York, amid the coronavirus pandemic.

Models developed by mathematical epidemiologists project that tens of thousands of lives across the U.S. can be saved by more people wearing face masks.

(Image credit: Ted Shaffrey/AP)

  • July 3rd 2020 at 22:01

How Showing Special Kindness To Some Can Have Moral Consequences

By Shankar Vedantam

A type of discrimination is overlooked because it's rooted, not in hate, but in love. Our Hidden Brain team asks why good deeds, those we do for spouses or neighbors, can sometimes lead to injustice.

  • July 3rd 2020 at 11:00

Remdesivir Priced At More Than $3,100 For A Course Of Treatment

By Sydney Lupkin
Gilead Sciences, maker of the antiviral drug remdesivir, has come up with a price for the COVID-19 treatment that was less than some analysts expected.

An experimental COVID-19 medicine that has been shown to shorten the time people with severe illness have to stay in the hospital finally has a price tag that's lower than some analysts expected.

(Image credit: ULRICH PERREY/POOL/AFP via Getty Images)

  • June 30th 2020 at 01:39

How Snakes Fly (Hint: It's Not On A Plane)

By Nell Greenfieldboyce
The snake Chrysopelea paradisi is seen in Malaysia

A snake researcher always wondered how flying snakes propelled themselves. Then, someone told him he should work with the snakes in The Cube — a vast theater space with cameras everywhere.

(Image credit: David Renoult/iNaturalist)

  • June 29th 2020 at 17:01

New Research Shows People Are Not As Divided Along Political Lines As They Think

By Hannah Allam

It is no secret that the U.S. citizens are deeply divided along political lines. But a new study has found that Americans are not nearly as divided as they might think.

  • June 26th 2020 at 22:04

This Coronavirus Doesn't Change Quickly, And That's Good News For Vaccine Makers

By Jon Hamilton
Internationally, scientists now have on file the genomes of more than 47,000 different samples of the virus that causes COVID-19 — up from just one in January. Here

A coronavirus vaccine could become ineffective if the virus were to undergo certain genetic changes. But so far, so good: Scientists see no evidence that's happening.

(Image credit: National Institute of Allergy and Infectious Diseases/National Institutes of Health)

  • June 26th 2020 at 11:00

How Mutations In The Coronavirus May Affect Development Of A Vaccine

By Jon Hamilton

Researchers around the world are tracking the mutations in the coronavirus as it reproduces and spreads to ensure changes in the virus do not affect the development of the vaccine.

  • June 25th 2020 at 22:42

Dolphins Learn Foraging Tricks From Each Other, Not Just From Mom

By Nell Greenfieldboyce
New research shows that dolphins can learn foraging behavior from other dolphins.

Scientists have found that dolphins learn a neat trick to trap fish by watching their close associates do it. This means that dolphins aren't just motivated to learn from their mothers.

(Image credit: Sonja Wild/Dolphin Innovation Project)

  • June 25th 2020 at 17:00

Alzheimer's Researchers Go Back To Basics To Find The Best Way Forward

By Jon Hamilton
This image shows the buildup of toxic tau proteins in the medial temporal gyrus of a human brain. Though some drugs can now remove these proteins, that hasn

After a decade of failure in treating Alzheimer's with drugs, the National Institutes of Health is funding a five-year effort in Seattle to learn more about how the disease starts in the brain.

(Image credit: UW Medicine)

  • June 25th 2020 at 09:01

All You Wanted To Know About Coronavirus Vaccine Science But Were Afraid To Ask

By Joe Palca
A laboratory technician holds a dose of a COVID-19 vaccine candidate ready for a trial in May 2020.

Some of the technology behind coronavirus vaccine development dates back to the first vaccines; other techniques are much newer. Here are eight top strategies scientists are pursuing.

(Image credit: Mladen Antonov/AFP via Getty Images)

  • June 24th 2020 at 13:26

Immense Neolithic Ring Discovered Near Stonehenge

By Vanessa Romo
Thousands of people stand among the ancient stones at Stonehenge in Salisbury, England, at sunrise on the summer solstice. Archaeologists on Monday announced the discovery of a ring of shafts about 2 miles away.

The massive prehistoric structure "is significantly larger than any comparative prehistoric monument that we know of in Britain, at least," a lead researcher in the project says.

(Image credit: Steve Parsons/AP)

  • June 23rd 2020 at 12:17
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