Earth & Climate

Warm group nests reflected in eggshells

Artist's impression of two Troodons sharing a nest. © Alex Boersma Targeting a dinosaur related to modern-day birds, the tiny predator Troodon was warm-blooded and...

Photo worth seeing: Veiled Birth of a Giant

Galaxy clusters are among the largest structures in the cosmos. The formations, consisting of galaxies, gas clouds and dark matter, can encompass several thousand...

Even supposedly adaptable primates suffer

A female mouse lemur carries a cub. © Manfred Eberle/ German Primate Center They are small, have a high reproductive rate and live in the...

Ancient giant amphibians swam like crocodiles

Traces of a modern alligator (left) and traces of a prehistoric amphibian from the Rhinesuchidae group. © Groenewald et al., 2023/ PLOS ONE, CC...

Life Sizes: Tiny and huge preferred

The giant sequoia is one of the largest living things on earth. © Rafael_Wiedenmeier/ iStock Life comes in all sizes and shapes - but certain...

Plants make stress sounds

Using acoustic technology, researchers have made the "clicking" of plants audible. © Tel Aviv University For the first time, researchers have apparently listened to plants...

On the trail of an early rainforest

Fine structures stand out: this seemingly inconspicuous stone shows a Cretaceous fossil of a plant typical of tropical rain forests. Clément Coiffard/FU Berlin ...

Photo worth seeing: Adaptable Eagles

This bald eagle gazes warily into the distance while clutching its freshly caught fish. At least in the wintry north-west of the USA this...

Huge eagles once circled over Australia

Silhouettes of the extinct Dynatoaetus gaffae and the modern wedge-tailed eagle, and a comparison of the foot bones of the two species. ©...

Tree death in German forests continues

Beeches with crown thinning and drought damage. © Petra Dühnelt/ Thünen Institute The German forest is still doing badly: According to the current forest condition...

Is empathy ancient?

Zebrafish apparently show basic forms of empathic behavior. © Mirko_Rosenau/iStock We recognize how others are doing and react to it: The ability to empathize shapes...

Photo worth seeing: Tricky bug butt

Many beetle species never need to drink once throughout their lives, even if they live in deserts or eat dry food. The solution to...

Ozone destroys “insect perfume”

When Drosophila flies lose their scents due to ozone exposure, they can apparently no longer distinguish males from females. © Benjamin Fabian, Max...

How animals developed warning colors

This rough-skinned yellow-bellied newt (Taricha granulosa) only shows its warning color in an acute case of defence. © Gary Nafis (grynaf@yahoo.com) ...

Lakes: paradigm of limnology in question

How can algal blooms in shallow lakes be prevented? © undefined undefined/ iStock Many shallow lakes are over-fertilized with nutrients. This favors algae, clouds the...

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