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July 26, 2024
NASA's Curiosity rover discovered pure sulfur on Mars. Plus, monogamous prairie voles may help us understand how our brains respond to love, and how they move on after heartbreak. And researchers developed the first anode-free solid-state battery that’s based on sodium, which is cheaper and more abundant than lithium.
9:19
In Your Skin, a Catalog of Sun-Induced Mutations
“Normal” human skin cells can contain a surprisingly large number of sun-induced mutations in their DNA, a new study has found.
24:40
The Small But Mighty Seed
Biologist Thor Hanson describes the dizzying diversity of seeds. A new documentary, “Seeds of Time,” portrays the fight to save them.
12:04
Retracted Research, 3.3 Million-Year-Old Stone Tool, and Panda Guts
In this week’s news roundup, Rachel Feltman of The Washington Post joins us for a roundup of her top science stories of the week.
5:50
Chicken Beaks and Dinosaur Snouts
Scientists traced the evolution of dinosaurs to birds through the beak of a chicken.
10:52
A Tiny, Living Identification Badge: Your Microbiome
The specific combinations of strains of bacteria that live on and in a person can be used to identify an individual—even up to a year later.
17:23
Emoting With Emoji
A look at what the rise of emoji says about online communication.
12:14
NASA Budget Cuts Impact Earth-Based Science
The House Committee on Science, Space, and Technology passed a bill that would cut NASA’s earth science budget by roughly 20 percent.
17:26
Tracking Your Local (Space) Weather
How—and why—scientists keep a close eye on the activity of our nearest star.
17:41
How To Clone A Mammoth
An expert in the field of ancient DNA explains the why’s and how to’s of woolly mammoth de-extinction.
12:10
‘Thrifty’ Metabolisms, Bad News Bees, and a Pricey Jar of Peanut Butter
Virginia Hughes of BuzzFeed News joins us for a roundup of her top science stories of the week.