Welcome to the “Science: NPR” update from Hawaii Science Digest.

Views expressed in this science and technology news summary are those of the reporters and correspondents.

Content supplied by National Public Radio (NPR).

Accessed on 04 December 2019, 0555 UTC.

Source:

https://www.npr.org/sections/science/

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Raiders Of The Lost Crops: Scientists Race Against Time To Save Genetic Diversity

L.M. Salazar/Crop Trust

THE SALT

Raiders Of The Lost Crops: Scientists Race Against Time To Save Genetic Diversity

Elephants, snakes and crocodiles? Researchers around the globe faced risky situations to gather wild relatives of key foods. That genetic pool could be vital to helping crops adapt to climate change.

LISTEN· 3:02PLAYLIST

In The Heat Of The Moment: How Intense Emotions Transform Us

Fanatic Studio/Gary Waters/SCIEN/Getty Images/Science Photo Libra

HIDDEN BRAIN

In The Heat Of The Moment: How Intense Emotions Transform Us

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SHOTS – HEALTH NEWS

‘There’s No Good Dust’: What Happens After Quartz Countertops Leave The Factory

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Photos by R A Kearton/Getty Images

SHORT WAVE

Does Your Dog REALLY Love You?

December 2, 2019 • Clive Wynne, founding director of the Canine Science Collaboratory at Arizona State University, draws on studies from his lab and others around the world to explain what biology, neuroscience, and genetics reveal about dogs and love. His new book is called Dog Is Love: Why and How Your Dog Loves You. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at shortwave@npr.org.

LISTEN· 11:02PLAYLIST

NASA

JOE’S BIG IDEA

A ‘Mole’ Isn’t Digging Mars: NASA Engineers Are Trying To Find Out Why

November 29, 2019 • After the InSight lander had trouble drilling a sophisticated thermometer into the Martian surface, a Plan B also didn’t work, and the instrument ended up backing itself out of the ground.

LISTEN· 2:22PLAYLIST

Pauline Pilon/Getty Images

SHORT WAVE

The Science Of Smell And Memory

November 29, 2019 • Why can a smell trigger such a powerful memory? Biological anthropologist Kara Hoover explains what’s going on in the brain when we smell, how smell interacts with taste, and why our sense of smell is heightened in the winter. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at shortwave@npr.org.

LISTEN· 11:02PLAYLIST

NASA/Nanoracks

SHORT WAVE

One Small Step For Cookie Baking

November 27, 2019 • Imagine having your Thanksgiving meal in microgravity? That’s the reality for the six astronauts aboard the International Space Station. Today, we look at the evolution of astronaut food and a planned attempt to bake chocolate chip cookies in space. Follow Maddie Sofia @maddie_sofia and Emily Kwong @emilykwong1234. Email the show at shortwave@npr.org.

LISTEN· 10:53PLAYLIST

A Single Dose Of Ketamine Might Help Heavy Drinkers, Study Finds

Bruce Forster/Getty Images

RESEARCH NEWS

A Single Dose Of Ketamine Might Help Heavy Drinkers, Study Finds

November 26, 2019 • Participants in the U.K. experimental study dramatically reduced their average alcohol intake for months after the initial dose. Ketamine has also been used to treat severe depression.

Seeing Monsters? It Could Be The Nightmare Of Sleep Paralysis

UniversalImagesGroup/Getty Images

SHORT WAVE

Seeing Monsters? It Could Be The Nightmare Of Sleep Paralysis

November 26, 2019 • As a teenager, Josh Smith was plagued by sleep paralysis. Now he’s afraid his kid might be experiencing it too. In this listener questions episode, Josh asks what the science says about this sleep disorder and what he can do to help his son. Submit your questions to shortwave@npr.org. Plus, you can keep the conversation going by using #NPRShortWave and following Maddie (@maddie_sofia) and Emily (@emilykwong1234) on Twitter.

LISTEN· 11:11PLAYLIST

Esteban Felix/AP

Greenhouse Gas Emissions Are Still Rising, U.N. Report Says

November 26, 2019 • A United Nations report warns that greenhouse gas emissions from the world’s largest economies must drop dramatically in the next decade to avoid the most catastrophic effects of climate change.

Young Researchers Feel Excitement And Sadness To See Arctic Ice That May Disappear

Ravenna Koenig/NPR

ENVIRONMENT AND ENERGY COLLABORATIVE

Young Researchers Feel Excitement And Sadness To See Arctic Ice That May Disappear

November 25, 2019 • Some projections say that by 2040 the Arctic Ocean may see its first ice-free summer in modern history. That means mixed emotions for young scientists seeing the ice for the first time.

LISTEN· 3:24PLAYLIST

'An Eye-Opener': Virtual Reality Shows Residents What Climate Change Could Do

Nathan Rott/NPR

ENVIRONMENT AND ENERGY COLLABORATIVE

‘An Eye-Opener’: Virtual Reality Shows Residents What Climate Change Could Do

November 24, 2019 • In a historic African American community near Baltimore, residents put on virtual reality headsets and watch their homes flood. The town hopes they’ll support efforts to prepare for sea level rise.

Derek Davis/Portland Press Herald/Getty Images

SHOTS – HEALTH NEWS

Excess Weight Can Weaken The Flu Shot

November 24, 2019 • Scientists have come to realize that flu vaccines are less effective for people who are overweight or obese. Now researchers are trying to figure out why and hope to develop better vaccines.

LISTEN· 3:25PLAYLIST

Helen Fisher: How Does Love Affect The Brain?

Bret Hartman/TED

TED RADIO HOUR

Helen Fisher: How Does Love Affect The Brain?

November 22, 2019 • Helen Fisher says love is a biological drive and a survival mechanism. She discusses the science of love and how much control we have over who we love, how we love, and whether that love lasts.

LISTEN· 7:19PLAYLIST

Josh Tam

TED RADIO HOUR

Dessa: How Can You Fall Out Of Love?

November 22, 2019 • For years, musician Dessa tried to get over a toxic relationship. But she couldn’t figure out how — until she tried something unconventional: using neuroscience to dull her feelings for her ex.

LISTEN· 11:04PLAYLIST

Guy Winch: How Can We Choose To Move On From Heartbreak?

Bret Hartman/TED

TED RADIO HOUR

Guy Winch: How Can We Choose To Move On From Heartbreak?

November 22, 2019 • We don’t consider heartbreak to be as serious as physical injury, but emotional pain can stay with us much longer. Psychologist Guy Winch says dealing with heartbreak starts with asserting control.

LISTEN· 10:46PLAYLIST

How The CDC's Reluctance To Use The 'F-Word' — Firearms — Hinders Suicide Prevention

Joe Raedle/Joe Raedle/Getty Images

SHORT WAVE

How The CDC’s Reluctance To Use The ‘F-Word’ — Firearms — Hinders Suicide Prevention

November 22, 2019 • Congress prohibits the Centers for Disease Control and Prevention from using any of its funding to promote or advocate for gun control. NPR science correspondent Nell Greenfieldboyce looked into how that makes it difficult for the CDC to talk frankly about the role guns play in suicide.

LISTEN· 9:59PLAYLIST

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