Research News

A new report finds that 2017 was one of the hottest years ever recorded. Here, a man dives into the sea in Istanbul in July 2017 during a heat wave that caused record temperatures in much of Turkey.

2017 Was One Of The Hottest Years On Record

5:30pm August 01, 2018

by Laurel Wamsley

Greenhouse gas concentrations reached a record high. Global sea level was the highest on record, too. NOAA's State of the Climate report points to the urgency of addressing climate change.

Some bullets are designed to be more destructive than others.

WATCH: The Science Behind Why Some Bullets Are More Destructive Than Others

1:18pm August 01, 2018

How much damage a bullet does when fired at the human body hinges on physics. Our latest "Let's Talk" video shows and explains why certain types of ammunition cause greater havoc than others.

Science

WATCH: Building A Probe That Will Survive A Trip To The Sun

4:16pm July 31, 2018

The sun is responsible for all life on Earth, but we still have a lot to learn about it. So this summer, NASA is sending the Parker Solar Probe closer to the sun than we have ever been before.

The brains of female soccer players who head the ball frequently show white matter alterations.

Heading May Be Riskier For Female Soccer Players Than Males

2:35pm July 31, 2018

by Sara Kiley Watson

Females are more likely than males to suffer measurable impact on their brains as a result of heading the ball during soccer.

Good hospice care at the end of life can be a godsend to patients and their families, all agree, whether the care comes at home, or at an inpatient facility like this AIDS hospice. Still, oversight of the industry is important, federal investigators say.

HHS Inspector General's Report Finds Flaws And Fraud In U.S. Hospice Care

10:50am July 31, 2018

by Ina Jaffe

Medicare pays more than $16 billion a year for hospice services. But a new report from the Department of Health and Human Services says hospice patients don't always get the care they're promised.

Queue Listen Now

With financial aid declining, many college students can't afford to eat, studies show, even though about 40 percent are also working. Nearly 1 in 4 college students are parents, which can add to their financial stress.

For Many College Students, Hunger 'Makes It Hard To Focus'

9:38am July 31, 2018

by Michelle Andrews

With rising school costs, as many as half of U.S. college students are feeling so stretched financially that they either aren't getting enough to eat or they're worried about it, studies find.

Unless you replenish fluids, just an hour's hike in the heat or a 30-minute run might be enough to get mildly dehydrated, scientists say.

Off Your Mental Game? You Could Be Mildly Dehydrated

10:20am July 30, 2018

by Allison Aubrey

Dehydration has long been known to slow physical performance. Now there's evidence that too little water can hurt cognitive performance, too, making complex thinking tasks harder.

Queue Listen Now

Jazz legend Billie Holiday at a recording session in 1957. Holiday's pioneering vocal style played with tempo, phrasing and pitch to stir hearts.

How The Brain Helps You Sing Or Say What You Mean

9:00am July 27, 2018

by Sara Kiley Watson

The richness of human vocal communication turns partly on our ability to control pitch, scientists say. Consider the difference you hear between "Let's eat, Grandma" and "Let's eat Grandma."

Can troops sustain brain injuries from firing certain powerful weapons? Two Marines who used to fired rocket launchers think they already know.

Marines Who Fired Rocket Launchers Now Worry About Their Brains

11:41pm July 25, 2018

by Jon Hamilton

The military is trying to figure out whether troops can sustain brain injuries from firing certain powerful weapons. Two Marines who used to shoot these weapons think they already know.

Queue Listen Now

This ancient piece of bread, more than 14,000 years old, is changing what archaeologists thought they knew about the history of food and agriculture.

Science

14,000-Year-Old Piece Of Bread Rewrites The History Of Baking And Farming

1:41pm July 24, 2018

by Lina Zeldovich

Breadcrumbs found at an excavation in Jordan reveal that humans were baking thousands of years earlier than previously believed. It may have even prompted them to settle down and plant cereals.