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  • Podcast: Manufacturing Danger: The BioLab Story
  • TV Highlights This Week

News Articles: evolution

An adult mouse is released from the lab into a semi-natural outdoor enclosure. These are its first steps out of an artificial lab environment into a dynamic, realistic ecosystem.

Tagged as: 

  • Science

Survival of the luckiest? New study hints at the potential role of luck in evolution

A new study on mice shows that luck in early life can determine success as an adult, especially when competition is high.

January 08, 2025
|
By:
  • Jonathan Lambert
Human Evolution exhibition at the Natural History Museum in January, 2024 in London, United Kingdom.

Tagged as: 

  • Science

A 50 thousand year-old love story between humans and Neanderthals

Tens of thousands of years ago, modern humans mated with Neanderthals. But exactly how and when that happened, and who those groups of humans were, was less known. New research adds some clues.

December 16, 2024
|
By:
  • Ari Daniel
A post-reproductive toothed whale mother and her son.

Tagged as: 

  • Science

Most animals don't go through menopause. So why do these whales?

Across the animal kingdom, menopause is something of an evolutionary blip. We humans are one of the few animals to experience it. But Sam Ellis, a researcher in animal behavior, argues that this isn't so surprising. "The best way to propagate your genes is to get as many offspring as possible into the next generation," says Ellis. "The best way to do that is almost always to reproduce your whole life."

So how did menopause evolve? The answer may lie in whales. Ellis and his team at the University of Exeter recently published a study in the journal Nature that studies the evolution of menopause in the undersea animals most known for it. What they uncovered may even help explain menopause in humans.

Curious about other animal behavior mysteries? Email us at shortwave@npr.org.

March 22, 2024
|
By:
  • Margaret Cirino,
  • Emily Kwong,
  • and 2 more
Caecilians are amphibians that look superficially like very large earthworms. New research suggests that at least one species of caecilian also produces "milk" for its hatchlings.

Tagged as: 

  • Science

Researchers have found an amphibian that makes milk for its babies

The snake-like amphibian is native to Brazil. Researchers say the milk in many ways resembles that produced by mammals.

March 10, 2024
|
By:
  • Geoff Brumfiel
Scientists have identified a fossil of an herbivorous dinosaur, <em>Psittacosaurus</em>, being bitten by a mammal, <em>Repenomamus</em>.

Tagged as: 

  • Research News

This fossil of a mammal biting a dinosaur captures a death battle's final moments

A 125-million-year-old fossil from the early Cretaceous shows the skeletons of a smaller mammal biting a larger horned dinosaur, suggesting a much more complex ancient food web.

July 19, 2023
|
By:
  • Ari Daniel
About 6,500 mammal species live on Earth today. Credit from left to right: John Moore/Getty Images; Yoshikazu Tsuno/AFP via Getty Images; Koichi Kamoshida/Getty Images; Paula Bronstein/Getty Images

Tagged as: 

  • Science

Welcome to the mammalverse: Scientists sequence DNA from 240 species around the world

Researchers have examined the genomes of 240 mammal species. The project reveals when mammals evolved, how some developed the ability to hibernate, and clues that may help explain humans' brains.

April 28, 2023
|
By:
  • Nell Greenfieldboyce
A new study finds that bumblebees can learn how to solve puzzles from each other.

Tagged as: 

  • Science

Can insects have culture? Puzzle-solving bumblebees show it's possible

A new study in PLOS Biology finds that bumblebees can learn to solve puzzles from each other — suggesting that even invertebrate animals may have a capacity for culture.

March 07, 2023
|
By:
  • Ari Daniel
Gabriel Jorgewich Cohen began researching whether turtle species — and other vertebrates thought to be mute — make sounds by recording his own pet turtles. The hydrophone used for recording can be seen on the left.

Tagged as: 

  • Animals

Dozens of species were assumed to be mute — until they were recorded making sounds

Some animals like birds and frogs are famous for the sounds they make. But have you ever heard a turtle talk? Most turtles were thought to not make sounds at all — before researchers went deep.

November 03, 2022
|
By:
  • Laurel Wamsley
Lightning may have played a key role in the emergence of life on Earth.

Tagged as: 

  • Science

How A Building Block Of Life Got Created In A Flash

Lightning strikes may have supplied a key ingredient that allowed life to emerge on early Earth, according to a new study of "fossilized" lightning.

March 17, 2021
|
By:
  • Nell Greenfieldboyce

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