Biology

Ice dome in northern Greenland completely melted 7,000 years ago

Researchers on the ice of Prudhoe Dome in Greenland. © Jason Briner/University at Buffalo The Prudhoe Dome in northwest Greenland now consists of an ice...

On the road with writing women

Mary Shelley, Else Lasker-Schuler and Simone de Beauvoir: These women not only wrote and left important works behind. They are also connected by a...

How harmful is bouldering for nature?

Outdoor bouldering is a form of free climbing. Athletes climb rock faces without rope insurance. © gregepperson/iStock Outdoor bouldering is a popular sport in...

Rivers in protected areas are not well protected

Europe's rivers benefit little from current protected areas, such as the Vindelälven in the Swedish nature reserve Vindelfjällen. © Danny CP Lau In Europe,...

On the trail of Mars’ secrets

The red planet in the sights of research. © enot-poloskun/iStock About atmospheric phenomena, friendliness of life and inner values: In the January issue, BILD DER...

Hydrogen emissions contribute to global warming

“Green” hydrogen is considered a climate-friendly energy source, but can also be harmful to the climate. © audioundwerbung/ iStock Hydrogen is considered an important component...

This makes Christmas presents more sustainable

For many people, gifts are a part of Christmas. © Hispanolistic/iStock Christmas brings joy, but often also a lot of waste. It's not just wrapping...

“Natural” microplastic filter for washing machines

Washing machines are one of the main sources of microplastics. © AzmanJaka/iStock Microplastics are suspected of harming the health of humans and animals. The...

CO2 removal: possibilities, opportunities and risks for Germany

The German climate goals can only be achieved if CO2 removal is used in addition to reducing emissions. © Anon Pitipong/ iStock In the Climate...

Sodium deficiency forces large wild animals to search for salt

Elephants, giraffes and rhinos live primarily where there is enough salt. © murat4art/iStock In some regions and many nature reserves in Africa there is a...

Ingredients in candles are often inadequately labeled

Candles are often made from waxes that are harmful to the climate or the environment. © Ridofranz/iStock Candles are in high season in the run-up...

Bioplastic – promising or not?

Bioplastic is primarily used for packaging. © Lisovskaya/iStock Plastics are an increasingly big problem for our planet. They consist of increasingly scarce petroleum, quickly end...

How Germany’s oil and gas trade affects the environment

Natural gas pipeline in Germany. © abadonian/iStock If the German state buys and imports fossil fuels such as oil and gas, this has consequences for...

Impressive and threatened lifelines

On their way from source to mouth, they create a huge network on the continents of our world. Rivers shape landscapes, provide living space,...

“Cooking recipe” developed for artificial peat

Artificial peat from different biomasses. © Marzban / ATB Peat is a natural raw material that arises in bogs. Because of its special composition, this...

This way the garden can be safely brought through the winter

The harsh winter weather takes its toll on some plants. © Eerik/iStock During the cold season, many animals fall into hibernation. Peace also returns to...

Did bacteria make the reed cicada more voracious?

Reed leafhopper (Pentastiridius leporinus). © Benjamin Weiss / Max Planck Institute for Chemical Ecology Until recently, the reed leafhopper fed exclusively on reed grass. But...

Why the number of sharks and rays is decreasing

A young whitetip reef shark (Triaenodon obesus) rests under a table coral off the coast of Indonesia. © Manuel A. Staggl Until now, scientists assumed...

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