Biology

Bumblebees use tools – without prior training

Bumblebees have the ability to spontaneously solve problems: They can spontaneously convert objects into tools without having previously learned how to do so....

From now on energy sharing is allowed – what does that mean?

In the future, self-generated electricity using solar panels or other renewable sources can be shared or sold locally. © peterschreiber.media/ iStock From...

The ring of natural sciences

When it comes to telling natural and cultural history, incorporating political influences as well as social upheavals, we often read about choosing...

Biofluorescence: Fire salamanders also glow

Fire salamanders biofluoresce greenish after exposure to UV light. © Bernat Burriel-Carranza/ Museu de Ciències Naturals de Barcelona Surprising discovery: The yellow-black...

Explanation found: Why gold doesn’t tarnish

Gold surfaces do not oxidize and therefore retain their shine. But why is that? © Love Employee/ iStock Refined protective effect: Gold...

Underground hydrogen from the Pyrenees and Alps?

There may be underground hydrogen reservoirs in the Italian and Swiss Alps. © Frank Zwaan/University of Lausanne Geologists have found that the...

The fog is alive!

In the tiny droplets of the mist there is a very unique world of microbes. © ValeryBoyarsky/ iStock More than just a...

Why CO2 emissions cool the stratosphere

The Earth's stratosphere, visible as a light blue layer in this image from the ISS, is paradoxically cooling due to climate change. What's...

Deforestation is pushing the Amazon closer to its tipping point

View of cleared areas in the Amazon rainforest. © Uwe Bergbwitz/ iStock The Amazon rainforest is more vulnerable than expected: if deforestation...

Where was my place 320 million years ago?

Location of the continents 258 million years ago. The pink area marks today's Netherlands. © Utrecht University Tectonic time travel: An interactive...

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