Earth & Climate

From old to new

There is room for improvement: Over 18 million tons of waste paper are generated in Germany every year and around 75 percent of it...

Baltic Sea fish put themselves on a diet

Among other things, the researchers focused on flounders in the Baltic Sea. © Sakis Lazarides/iStock In order to cover their increased food requirements when water...

Arterial connections improve stroke recovery

Blood vessels that connect neighboring arterial trees can prevent permanent brain damage from occurring after a stroke. They regulate blood circulation in the brain...

How astro-dust could have fertilized life

Artist's impression of an asteroid disintegrating into dust near Earth. © NASA / JPL Caltech How could the first organic molecules that became the basis...

How did the first RNA molecules develop on prehistoric Earth?

Single-stranded RNA molecules mark the beginning of evolution. © Christoph Burgstedt / iStock Before DNA-containing living beings colonized the earth, a wide variety of simple...

Ecosystems follow two opposite trends

The American red swamp crayfish (Procambarus clarkii), native to northern Mexico and the southeast of the USA, is an example of a species that...

Climate change is altering seasonal river levels

The water levels of the Alpine rivers, here the Lech, fluctuate less over the course of the year than before. © PK Photos/...

Bioethanol from old baked goods

Stale bread could become an environmentally friendly fuel in the future. © Slimoche/ iStock In Germany, around 600,000 tons of baked goods are overproduced every...

On the trail of the code of tail loss

A special genetic element apparently causes us and other great apes to develop only a small tailbone instead of a tail. © libre...

The wild rescue

Red clover is often considered a weed in local meadows. The flower serves as an important source of nectar for many insects, such...

Signal protects against impaling each other

Armed with spears, they rush through the water: How do striped marlins avoid hurting each other during their rapid group hunts on schools of...

Photo of Bothriechis hussaini, yellow-black snake species

It is estimated that there are several million still undiscovered animal species living on our planet. Recently, however, this yellow-black snake species, Bothriechis hussaini,...

Soil life reacts surprisingly to warming

Soils in Iceland that have been warmed by geothermal activity have opened up special research opportunities for scientists. © C: Christina Kaiser ...

Images from spy satellites document environmental changes

A large clearcut from the 1960s near a forest research area in the southern Black Forest. Although much of the area is now...

Black flies: vicious winners of change

They resemble harmless houseflies - but some species of black flies bite people. © Dorian Dörge ...

Photo worth seeing: Woodlouse spider with a unique selling point

More than 1,300 species of water-dwelling woodlice spiders (Pycnogonida) are known worldwide. While most representatives of these spider-like invertebrates are smaller than a fingernail,...

Plant death traps become nurseries

The plant Arisaema thunbergii has pitcher-like flowers that can become a death trap for fungus gnats. © Hiroaki Yamashita/ CC by 4.0 ...

E-cars: More urban charging points are needed

There is a lack of charging options for urban electric cars. © SolStock/ iStock According to the federal government's plan, 15 million electric vehicles should...

How the “singing apparatus” of baleen whales works

Artist's impression of a humpback whale with the structures of the larynx. © Patricia Jaqueline Matic ...

Polar bears are threatened with starvation in summer

Polar bear on land in the Western Hudson Bay region. © David McGeachy With climate change, Arctic winters are becoming shorter and shorter, and with...

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