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Yesterday โ€” September 23rd 2018NPR Research

Teens Sleeping Too Much, Or Not Enough? Parents Can Help

By April Fulton

Though teenagers need about nine hours of rest a night, most get only seven and are suffering. A new survey suggests their parents are struggling, too. Here's how to improve the quality of teen sleep.

  • September 23rd 2018 at 13:00
Before yesterdayNPR Research

Study: Since The 1970s, Drug Overdoses Have Grown Exponentially

By Rhitu Chatterjee

The research suggests that the ongoing opioid crisis may be part of a larger epidemic going back decades. The study also shows more users take multiple drugs — many of which are more potent.

  • September 22nd 2018 at 13:54

Remembrance For Walter Mischel, Psychologist Who Devised The Marshmallow Test

By Julie Carli
Walter Mischel, a psychologist who devised the marshmallow test, explained what it really means.

Walter Mischel had an idea that became a pop culture touchstone. He wanted to see if preschoolers seated in front of a marshmallow could delay their gratification. What did the experiment really mean?

(Image credit: Marcie LaCerte/NPR)

  • September 21st 2018 at 17:31

Scientists Create Immature Human Eggs From Stem Cells

By Rob Stein
Immature human eggs (pink) were created by Japanese researchers using stem cells that were derived from blood cells.

A Japanese research team made immature human eggs from stem cells that were derived from human blood. The technique brings scientists a step closer to being able to mass-produce human eggs.

(Image credit: Courtesy of Saitou Lab)

  • September 20th 2018 at 20:00

In Lab Turned Casino, Gambling Monkeys Help Scientists Find Risk-Taking Brain Area

By Jon Hamilton
The fix was in for this rhesus macaque drinking juice on the Ganges River in Rishikesh, Uttarakhand, India. No gambling was required to get the reward.

Scientists at Johns Hopkins have identified a brain region in monkeys that influences their desire to take big risks. When this area is inactivated, the monkeys tend to hedge their bets.

(Image credit: Fotofeeling/Getty Images/Westend61 RM)

  • September 20th 2018 at 17:01

Octopuses Get Strangely Cuddly On The Mood Drug Ecstasy

By Nell Greenfieldboyce
Friend or foe? A California two-spot octopus (Octopus bimaculoides) gives observers the eye at the Marine Biological Laboratory in Woods Hole, Mass.

The drug makes the usually antisocial creatures much more interested in friendly contact with other octopuses. It's one more sign that the chemistry of social behavior has deep evolutionary roots.

(Image credit: Tom Kleindinst/Marine Biological Laboratory)

  • September 20th 2018 at 17:00

Do IVF And Other Infertility Tech Lead To Health Risks For The Baby? Maybe

By Mara Gordon
A Swiss study tracking the health of a group of children conceived via assisted reproductive technology found that a surprising number developed premature aging of their blood vessels. Now in their teens, 15 percent have hypertension.

A small study of teens who were conceived via assisted reproductive technology finds a significant number already have hypertension and premature "age-related changes" in their blood vessels.

(Image credit: Steve Debenport/Getty Images)

  • September 19th 2018 at 18:25

Researchers Explore Gender Disparities In The Art World

By Shankar Vedantam
Christie

Researchers studied nearly 2 million art auction sales and found paintings by women fetched less money than paintings by men. Disparities that plague parts of the economy also affect the art world.

(Image credit: Lionel Derimais/Getty Images)

  • September 18th 2018 at 11:03

This Rapper Tried To Use Neuroscience To Get Over Her Ex

By Adam Cole
Dessa went looking for the source of love in her brain, and then turned to the frontiers of neuroscience to try and heal a broken heart.

Dessa is a singer and writer from Minneapolis who spent years trying to fall out of love and get over her ex. Nothing seemed to help — until she visited a research lab for a brain scan.

(Image credit: NPR's Skunk Bear / Brain scan images are courtesy of Center for Magnetic Resonance Research at the University of Minnesota)

  • September 18th 2018 at 11:00

Childhood Trauma And Its Lifelong Health Effects More Prevalent Among Minorities

By Tara Haelle
Nearly 62 percent of respondents had at least one ACE and a quarter reported three or more. The remaining respondents had at least two ACEs, including 16 percent with four or more such experiences.

The largest study of its kind shows a high prevalence of adverse childhood experiences — or ACEs — across the population, but especially among some vulnerable groups.

(Image credit: Elva Etienne/Getty Images)

  • September 17th 2018 at 18:20

Russians Allegedly Targeted Lab Studying Chemical Weapons

By Geoff Brumfiel
Spiez Laboratory is believed to have been involved with the analysis of chemical agents used in the U.K. It was allegedly targeted by Russian agents earlier this year.

Russian agents were allegedly planning to hack into a Swiss laboratory that was analyzing nerve agents used in March against a former Russian spy and his daughter.

(Image credit: Fabrice Coffrini/AFP/Getty Images)

  • September 14th 2018 at 21:01

Government Study Of BPA Backs Its Safety, But Doesn't Settle Debate

By Jon Hamilton
A government research project to assess the safety of BPA is beginning to show results.

The plastic additive BPA got a clean bill of health in a two-year government study involving thousands of rats. But scientists worried about BPA's risks say the study has flaws.

(Image credit: T-pool/STOCK4B/Getty Images)

  • September 13th 2018 at 22:28

Migrating Birds Avoid Bad Weather โ€” Which Makes Their Paths Predictable

By Nell Greenfieldboyce
A new tool predicts where birds will migrate based on the weather.

Scientists have developed a forecast model for predicting mass bird migrations, based in part on weather patterns.

(Image credit: R. Tsubin/Getty Images)

  • September 13th 2018 at 20:02

WATCH: Flapping Robot Sheds Light On How Fruit Flies Move

By Merrit Kennedy
The DelFly Nimble in flight. The robot was inspired by the agile movements of the fruit fly.

The scientists were inspired by the super-agile fruit fly. And by designing this robot, they've figured out some of the mysteries of one of the fly's fanciest maneuvers.

(Image credit: Henri Werij/TU Delft )

  • September 13th 2018 at 20:02

World Fungi Report

A new report from the Kew Gardens in London is billed as the first comprehensive report on the state of the world's fungi.

  • September 12th 2018 at 22:12

More Older Americans Are Turning To Marijuana

By Mara Gordon
Baby boomers who use marijuana seem to be using it more often than in previous years, a recent survey finds — 5.7 percent of respondents ages 50 to 64 said they

As marijuana gains popularity among people 65 and older, geriatricians call for more research on how it affects elderly patients. Shifts in metabolism as we age can intensify any drug's side effects.

(Image credit: Manonallard/Getty Images)

  • September 12th 2018 at 11:00

What's Mine Is Yours, Sort Of: Bonobos And The Tricky Evolutionary Roots Of Sharing

By Nell Greenfieldboyce
A 17-year-old male bonobo eats while his son watches in the Lola Ya Bonobo Sanctuary, Democratic Republic of Congo.

Bonobos are much more likely than common chimpanzees to share their food, a study suggests. But researchers who study sharing say human kids are more helpful and cooperative than either species.

(Image credit: Fiona Rogers/Getty Images)

  • September 12th 2018 at 01:01

Scientists Study Barn Owls To Understand Why People With ADHD Struggle To Focus

By Jon Hamilton
Scientists at Johns Hopkins University are studying barn owls to understand how the brain maintains focus.

Research on the brains of barn owls suggests that attention problems like ADHD may involve a brain circuit that usually helps us ignore distractions.

(Image credit: Meredith Rizzo/NPR)

  • September 11th 2018 at 21:32

East Coast Scientists Win Patent Case Over Medical Research Technology

By Richard Harris

Scientists affiliated with Harvard and MIT have been battling with colleagues at University of California, Berkeley over who deserves patents for a revolutionary technology used in medical research. On Monday, the east coast scientists won their case in a federal appeals court.

  • September 10th 2018 at 23:48

Infectious Theory Of Alzheimer's Disease Draws Fresh Interest

By Bret Stetka
The search for the cause of Alzheimer

Money has poured into Alzheimer's research, but until very recently not much of it went toward investigating infection in causing dementia. A million dollar prize may lead more scientists to try.

(Image credit: Ariel Davis for NPR)

  • September 9th 2018 at 13:30
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