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Plants & Animals Apr 4, 2024

Amphibians use scream inaudible to humans for self-defense against predators, study suggests

A study reported in the journal acta ethologica has recorded the use of ultrasound by amphibians for the first time in South America. It also describes the first documented case of the use of ultrasound for defense against ...

Plants & Animals Apr 3, 2024

Mysterious python parasite threatens Florida's native snakes, pushing toward their 'extreme decline'

A mysterious parasite from Asia is infecting snakes over most of Florida, and researchers believe it was likely brought here by invasive Burmese pythons.

Plants & Animals Apr 3, 2024

Discovery could end global amphibian fungal pandemic

A fungus devastating frogs and toads on nearly every continent may have an Achilles heel. Scientists have discovered a virus that infects the fungus, and that could be engineered to save the amphibians.

Biotechnology Mar 28, 2024

A new coordinate system allows researchers to compare how limbs develop in chicks and frogs

To shed light on the principles that govern tissue dynamics across species, RIKEN biologists have developed a new method for analyzing the development of vertebrate limbs. These principles could help guide the development ...

Cell & Microbiology Mar 25, 2024

With living robots, scientists unlock cells' power to heal

Near the entrance to Michael Levin's lab at Tufts, four deer antlers are mounted on wooden boxes. They represent an incredible feat of regeneration in mammals: Deer shed their antlers annually and regrow the bone, blood vessels, ...

Paleontology & Fossils Mar 21, 2024

Researchers name prehistoric amphibian ancestor discovered in Smithsonian collection after Kermit the Frog

Scientists have uncovered the fossilized skull of a 270-million-year-old ancient amphibian ancestor in the collection of the Smithsonian's National Museum of Natural History. In a paper published today, March 21, in the Zoological ...

Evolution Mar 18, 2024

Genetic basis for the evolution of hair discovered in the clawed frog

The development of hair was of central importance for the evolution of mammals and, thus, also of humans. However, the evolutionary origin of the genetic program of hair was previously unknown. An international research team ...

Plants & Animals Mar 15, 2024

Why do tree frogs lay their eggs on the ground?

When it comes to laying eggs, tree frogs have some unusual habits. Instead of always laying their eggs on tree branches where they usually live, they often lay their eggs on the ground. But why would a tree frog do this, ...

Plants & Animals Mar 11, 2024

New study reveals transgenerational effects of pesticide linuron on frogs

Grand-offspring of male frogs exposed to the pesticide linuron exhibited changes in their DNA that were linked to significant physiological impacts, a study from Stockholm University reveals. The research highlights the profound ...

Plants & Animals Feb 26, 2024

Scientists assemble a richer picture of the plight and resilience of the foothill yellow-legged frog

Up to only a few inches in length, with a lemon-hued belly, the foothill yellow-legged frog may seem unassuming. But its range once stretched from central Oregon to Baja California. In 2023, it was listed under the federal ...

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