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Why Corned Beef Sandwiches โ€” And The Rest Of The Universe โ€” Exist

By Joe Palca
An imbalance between matter and antimatter in the universe produced all the things in existence, including corned beef sandwiches.

Somehow, at the beginning of time, there was an imbalance of matter and antimatter. That's how all the stuff in the universe came about. Scientists think they may find an answer by studying neutrons.

(Image credit: Erik Rank/Getty Images)

  • May 25th 2019 at 14:20

At $2.1 Million, New Gene Therapy Is The Most Expensive Drug Ever

By Rob Stein
Zolgensma, a new drug approved by the FDA Friday, costs more than $2.1 million. It

The Food and Drug Administration approved a new gene therapy for a rare but devastating genetic disorder. The drugmaker says the cost is worth it because it's a one-time treatment that saves lives.

(Image credit: Bloomberg/Bloomberg via Getty Images)

  • May 24th 2019 at 21:52

Since The 1960s, Researchers Track Perry Preschool Project Participants

By Shankar Vedantam

For decades, researchers have followed the participants of a 1960's preschool program. They found a range of social and economic benefits, and not just for the participants in the program.

  • May 23rd 2019 at 11:02

News Brief: Impeaching Trump, Iran Threat, CRISPR Modified Viruses

By Noel King

House Democrats meet to decide whether to move forward with impeaching the president. Lawmakers on Capitol Hill are briefed on the threat Iran poses. And, the latest on genetically modified viruses.

  • May 22nd 2019 at 11:01

Scientists Modify Viruses With CRISPR To Create New Weapon Against Superbugs

By Rob Stein
About two years ago, Alphonso Evans went to the hospital for what he thought was just another bladder infection and ended up in intensive care. In an effort to combat antibiotic-resistant superbugs, scientists have created "living antibiotics" made of viruses that have been genetically modified using the gene-editing tool CRISPR.

Superbugs are bacteria that can beat modern medicine's most powerful drugs. So doctors are racing to find new ways to fight back.

(Image credit: Rob Stein/NPR)

  • May 22nd 2019 at 11:01

Computerized Model Reveals Details Of How Human Cells Divide

By Richard Harris
Allen Institute in Seattle has produced a visualization of human cell division.

The nonprofit Allen Institute in Seattle has produced a visualization of human cell division that promises to be useful for professional scientists and curious amateurs alike.

(Image credit: Allen Institute)

  • May 22nd 2019 at 09:01

Can CBD Reduce Cravings And Stress In Opioid Users?

By Allison Aubrey

Researchers wanted to know if CBD can help people who are former opioid users resist relapse. Their double-blinded, placebo-controlled trial suggests CBD can help reduce stress and cravings.

  • May 21st 2019 at 22:23

Calories, Carbs, Fat, Fiber: Unraveling The Links Between Breast Cancer And Diet

By Allison Aubrey
A new study finds that women who ate a low-fat diet and more fruits, vegetables and grains, lowered their risk of dying from breast cancer. But which of those factors provided the protective effect?

A new study finds that women who ate a low-fat diet and more fruits, vegetables and grains, lowered their risk of dying from breast cancer. But which of those factors provided the protective effect?

(Image credit: Cavan Images/Getty Images/Cavan Images RF)

  • May 18th 2019 at 13:00

Suicide Rate For Girls Has Been Rising Faster Than For Boys, Study Finds

By Sasha Ingber
The increase in suicide rates was highest for girls ages 10 to 14, rising by nearly 13% since 2007. While for boys of the same age, it rose by 7%.

Researchers found that the increase was highest for girls ages 10 to 14 in the U.S., rising by nearly 13% since 2007. The increase for boys of the same age was 7%.

(Image credit: Nicole Xu for NPR)

  • May 17th 2019 at 21:31

Researchers Say Evidence Shows What You Eat Really Does Matter

By Allison Aubrey

Two new diet studies add to the evidence that when it comes to staying healthy, counting calories may not be enough. What really matters is what you choose to eat and the quality of your diet.

  • May 17th 2019 at 11:02

It's Not Just Salt, Sugar, Fat: Study Finds Ultra-Processed Foods Drive Weight Gain

By Maria Godoy
An example of one of the study

"Landmark" study finds a highly processed diet spurred people to overeat compared with an unprocessed diet, about 500 extra calories a day. That suggests something about processing itself is at play.

(Image credit: Hall et al./Cell Metabolism)

  • May 16th 2019 at 17:00

How To Help A Kid Survive Early Puberty

By Juli Fraga
Hitting puberty at age 7 or 8 — a couple years earlier than average — can cause long-lasting anxiety for kids. But the right kind of parental support can help.

Around 15% of girls begin menstruation by age 7. The challenges of puberty can rock anybody, but being the first of your friends to go through it can be especially stressful. Good parenting helps.

(Image credit: Paige Vickers for NPR)

  • May 16th 2019 at 15:41

Remote Island Chain Has Few People โ€” But Hundreds Of Millions Of Pieces Of Plastic

By Christopher Joyce
Debris blankets the north side of one of the Cocos Keeling Islands in the Indian Ocean. Researchers found a huge amount of plastic both onshore and buried in the sand.

The Cocos Keeling Islands make up barely 6 square miles in the Indian Ocean. It's a good place to measure debris because almost no one lives there. Scientists were flabbergasted by what they found.

(Image credit: Courtesy of Silke Stuckenbrock)

  • May 16th 2019 at 15:00

Spider Uses Web As Slingshot To Ensnare Prey, Scientists Find

By Merrit Kennedy
A triangle-weaver spider holds its web in tension.

There's a type of spider that can slowly stretch its web taut and then release it, causing the web to catapult forward and entangle unsuspecting prey in its strands.

(Image credit: S.I. Han )

  • May 15th 2019 at 01:32

Placebos May Be A Powerful Tool That Medicine Has Overlooked

By Shankar Vedantam

Physicians believe placebos work only if patients think they're getting medicine. In other words, doctors have to deceive patients. But there might be a way to get placebos to work without deception.

  • May 9th 2019 at 11:02

Uber And Lyft Caused Major Traffic Uptick In San Francisco, Study Says

By Merrit Kennedy
Researchers also found that congestion on the roads in San Francisco also was exacerbated because of where the ride-hailing cars were and at what time of day.

Researchers compared data from fall 2010 — before the companies made inroads in the city — and fall 2016. They found that the companies are to blame for more than half of a big increase in traffic.

(Image credit: Justin Sullivan/Getty Images)

  • May 8th 2019 at 21:57

Genetically Modified Viruses Help Save A Patient With A 'Superbug' Infection

By Rob Stein
Isabelle Carnell-Holdaway (left), now 17, with her mother Joanne Carnell-Holdaway. Isabelle has a dangerous infection that is being treated with a cocktail of genetically modified viruses.

Treatment with genetically altered bacteriophages — viruses that attack bacteria — may have halted a patient's near-fatal infection, hinting at new ways to fight antibiotic-resistant bacteria.

(Image credit: Courtesy of Jo Holdaway)

  • May 8th 2019 at 19:01

News Brief: U.S.-China Trade Talks, Humans Accelerate Species' Extinction

By Rachel Martin

The White House is fighting China in trade talks, but a new report found top advisers battled over whether to impose tariffs on Chinese imports. The U.N. warns which species are at risk of extinction.

  • May 7th 2019 at 11:01

News Brief: U.S.-China Trade Talks, Humans Excelerate Species' Extinction

By Rachel Martin

The White House is fighting China in trade talks, but a new report found top advisers battled over whether to impose tariffs on Chinese imports. The U.N. warns which species are at risk of extinction.

  • May 7th 2019 at 11:01

1 Million Animal And Plant Species Are At Risk Of Extinction, U.N. Report Says

By Bill Chappell
"Nature is declining globally at rates unprecedented in human history," a U.N. panel says, reporting that around 1 million species are currently at risk. Here, an endangered hawksbill turtle swims in a Singapore aquarium in 2017.

"Protecting biodiversity amounts to protecting humanity," says UNESCO Director-General Audrey Azoulay, who warns that species are being lost at an alarming rate.

(Image credit: Roslan Rahman/AFP/Getty Images)

  • May 6th 2019 at 20:10
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