Earth & Climate

Scales turned into feathers

As a result of a special treatment during development in the egg, chicken embryos develop feathers (right) on their feet instead of the normal...

Where does the plastic waste in the North Sea come from?

With such transmitter-equipped drift bodies, scientists have investigated the origin and distribution of plastic waste in the North Sea. © Jens Meyerjürgens ...

Amazing armored rodent tails

Spiny mice develop bony plates just under the skin of their tails. ©Edward Stanley Encyclopedias should now be updated: The armadillo is no longer the...

Did iron give life a boost?

Fragment of the Campo del Cielo iron meteorite. Particles from such celestial bodies, as well as from volcanic ash, may have served as...

Rapid ruler change in the death era

Artist's rendering of an Inostrancevia that has killed a dicynodont. © Matt Celeskey Apex predators appear strong and powerful—but they're actually delicate: They've always carried...

Species extinction has been underestimated so far

According to the Red List, the Emerald Glass Frog (Espadarana prosoblepon) is not endangered, but its populations are also shrinking. © Roberto García-Roa ...

Dino mouth with pelican effect

Artist's impression of Irritator challengeri, which apparently hunted small prey in a shallow lake around 115 million years ago with its lower jaw spread....

Earliest animals: Comb jellyfish were the first

Comb jellies (here the species Hormiphora californensis) are the sister group of all other multicellular animals. © Darrin Schultz / 2021 MBARI ...

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