Short Wave - Dancing Yeti Crabs, Morphing Cuttlefish, Other Stories From The Deep Sea

As a kid, Sabrina Imbler loved the ocean. They'd swim and snorkel, following around parrotfish in the water. Later, they tried to learn everything they could about the brightly-colored tropical fish – how some create a mucus cocoon at night to protect it from parasites, or how they help keep coral reefs healthy.

As they got older, their fascination with sea creatures only grew. Imbler released a collection of essays in 2022 called How Far The Light Reaches: A Life In Ten Sea Creatures. Each chapter focuses on a different marine species – from yeti crabs near hydrothermal vents in the deep sea to the morphing abilities of cuttlefish. Often, these creatures act as a mirror for Imbler to explore parts of their own identity.

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Short Wave - Outer Space Changes You, Literally. Here’s What It Does To The Human Body

Lower gravity. Higher radiation. No ER access. These are just a few of the challenges that humans face in outer space. Emily and Regina talk to a NASA astronaut (and astronaut scientist) about the impact of spaceflight on the human body. Plus, we learn about telomeres (hint: They change in space)!

Check out more of our series on space: https://www.npr.org/spacecamp

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Short Wave - The Brain Makes A Lot Of Waste. Here’s How It Cleans Itself Up

Scientists have long studied the relationship between sleep and the brain, and why poor sleep is linked to neurological diseases like Alzheimer's. NPR science correspondent Jon Hamilton talks to host Regina G. Barber about the brain's washing system and the particular sound researchers have found that seems to turn it on in mice.

Read Jon's full piece here.

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CrowdScience - Why am I afraid of this building?

Buildings inspire many emotions, like awe, serenity or even dread. CrowdScience listener Siobhan was struck by this as she passed a huge apartment block with tiny windows; it reminded her of a prison. So, she asked us to investigate the feelings that buildings can trigger. Architects have long considered how the effect of buildings on their occupants or passersby: asking whether certain features elicit feelings of wonder or joy... or sadness and fear. And now modern neuroscience has started to interrogate these very questions, too. How much of the way we feel about a building is to do with its intrinsic design, and how much is due to our individual brain chemistry and life experiences? Presenter Caroline Steel talks to designer Thomas Heatherwick about his ideas for improving public spaces; enters a virtual reality simulation in Denmark to learn about the emerging field of ‘neuroarchitecture’; and finds out why people just can’t agree what makes a ‘good’ or ‘bad’ building.

Contributors: Thomas Heatherwick, Heatherwick Studios, London Professor Zakaria Djeberra, University of Aalborg Professor Lars Fich, University of Aalborg Professor Edward Vessel, City College of New York Presenter: Caroline Steel Producer: Richard Walker Editor: Cathy Edwards Production Coordinator: Ishmael Soriano Studio Manager: Duncan Hannant

(Image: Rear view of woman surrounded by old traditional residential buildings and lost in city, Hong Kong, China. Credit: d3sign via Getty Images)

Unexpected Elements - Marriage madness

Radhika Merchant has married her partner Anant Ambani, the youngest son of Asia’s richest man, Mukesh Ambani. When your Dad is the 11th richest person in the world, worth over $112bn, you can afford a wedding year, rather than a wedding day, right? After seven months of celebration, Marnie and the panel review the festivities to see if there is any science lingering under the ‘I dos’. Hear of Hindu wedding customs and superstitions, and why something called evolutionary lag might be behind traditions that make very little sense.

Also, rings, but not the wedding bands. Professor Valerie Trouet, from the Laboratory of Tree Ring Research at the University of Arizona tells tales of the ancient circles found within trees harbouring secrets of climates past and future.

Plus sleep divorce, why it might be a marriage saver, and finally putting to bed who has the best sleep pattern, the night owls or the early birds.

Presenter: Marnie Chesterton Panellists: Tristan Ahtone and Chhavi Sachdev Producers: Harrison Lewis, Julia Ravey, Alex Mansfield and Noa Dowling

Short Wave - How An Ambitious River Rerouting Plan Could Change India’s Weather

More than a hundred years ago, a British engineer proposed linking two rivers in India to better irrigate the area and cheaply move goods. The link never happened, but the idea survived. Today, due to extreme flooding in some parts of the country mirrored by debilitating drought in others, India's National Water Development Agency plans to dig thirty links between rivers across the country. It's the largest project of its kind and will take decades to complete. But scientists are worried what moving that much water could do to the land, the people — and even the weather. Host Emily Kwong talks to journalist Sushmita Pathak about her recent story on the project.

Read Sushmita's full story here.

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Science In Action - Destination Asteroid Apophis

There’s an update from asteroid expert Patrick Michel about the European Space Agency’s Rapid Apophis Mission for Space Safety. The ESA have received permission to begin preparatory work for the planetary defence mission which will rendezvous with the asteroid Apophis, that will be passing by the Earth on Friday, April 13th 2029.

And in news from the Moon this week – a massive cave has been discovered on its surface that might be a window into the body’s sub-surface, and even a ready-made lunar base for future astronauts to use. The claim was made in Nature Astronomy by a team of Italian planetary scientists, and two experts in remote sensing who have been re-interpreting radar data from a NASA orbiter - Leonardo Carrer and Lorenzo Bruzzone from University of Trento in Italy. In the magazine Science, there’s a call for a re-doubling of efforts to tackle malaria in Africa as signs grow that a leading treatment, Artemisinin, is becoming less effective. Deus Ishengoma, a malaria expert with the Tanzanian National Institute for Medical Research, is worried, having seen the transformation Artemesinin made in the past.

Tiny solar-powered flying robots - an ultra-lightweight, solar-powered micro aerial vehicle capable of sustained flight is described in a paper published in Nature. Peng Jinzhe of the School of Energy and Power Engineering at Beihang University was part of the team behind the 8 millimetre robot.

Presenter: Roland Pease Producer: Jonathan Blackwell Production Coordinator: Jana Bennett-Holesworth

(Image: ESA’s Ramses mission to asteroid Apophis. Credit: The European Space Agency)

Short Wave - The Magic — And Science — Of Synchronous Firefly Displays

Every year for two weeks between mid-May and mid-June, Congaree National Park in South Carolina is home to a fairy-tale-like display of flashing lights. These rhythmic performances happen all because of thousands of fireflies, flashing their belly lanterns at exactly the same time. According to the National Park Service, there are just three types of these synchronous fireflies in North America, making the experience all the more magical for the lucky visitors who get the chance to see them.

Firefly scientists and enthusiasts hope these displays in places like Congaree will inspire people to care about other kinds of fireflies, also known as lightning bugs, in the U.S., which are not as well-studied – or well-protected – as synchronous ones. Some community scientists are already taking on this mission with projects like the Firefly Atlas, where volunteers can help survey for fireflies and report sightings.

This story was originally reported for NPR by science correspondent Pien Huang. Read Pien's full story here.

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Short Wave - This Mysterious Energy Is Everywhere. Scientists Still Don’t Know What It Is

The universe — everything in existence — is expanding every second! It's only been about a hundred years that humanity has known this, too — that most galaxies are traveling away from us and the universe is expanding. Just a few decades ago, in the late 1990s, scientists started to notice another peculiar thing: The expansion of the universe is speeding up over time. It's like an explosion where the debris gets faster instead of slowing down. The mysterious force pushing the universe outward faster and faster was named dark energy. Cosmologist Brian Nord joins host Regina G. Barber in a conversation that talks about what dark energy could be and what it implies about the end of our universe.

Check out more of our series on space at https://www.npr.org/spacecamp.

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Short Wave - The Dubious Consent Question At The Heart Of The Human Genome Project

The Human Genome Project was a massive undertaking that took more than a decade and billions of dollars to complete. For it, scientists collected DNA samples from anonymous volunteers who were told the final project would be a mosaic of DNA. Instead, over two-thirds of the DNA comes from one person: RP11. No one ever told him. Science journalist Ashley Smart talks to host Emily Kwong about his recent investigation into the decision to make RP11 the major donor — and why unearthing this history matters to genetics today.

Read Ashley's full article in Undark Magazine here.

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