Biology

Poisonous algae bloom after asteroid impact

The explosive multiplication of algae can pollute water. (Image: Vladimirovic / iStock) It not only put an end to the dinosaurs - how the...

Change among dragonflies in Germany

The black darter (Sympetrum danae) prefers standing water. The species is affected by a sharp decline in Germany. (Photo: Frank Suhling) The aerial...

Antidepressants make cancers reckless

Changes in animal behavior can have domino effects in aquatic ecosystems. (Image: University of Florida) One might think that they no longer seem so...

Amazing life expectancy revealed

The life expectancy of the famous coelacanth has so far been drastically underestimated. (Image: Michel VIARD / iStock) The “living fossils” are also Methusalems...

Lead from human sources in the Arctic Ocean

Sampling in the Arctic Ocean. (Image: Kathryn Purdon / University of Victoria) The Arctic Ocean off Canada was previously considered largely unencumbered by human...

Soot in our air also comes from afar

Measuring station on the ridge of the Thuringian Forest. (Image: Mertes / TROPOS) Soot particles from the exhaust gases from industry, heating systems and...

Corkscrew head drives ray sperm

A ray sperm in view. (Image: Panbing Wang et al. / DOI number: 10.1073 / pnas.2024329118) Amazingly mobile germ cells: In the case of...

Tempting scent of corpses

Aristolochia microstoma has brownish flowers that lie close to the ground under leaf litter or stones. The flowers give off an unpleasant odor...

Tiny robots break down microplastics

Metallic microrobots (dark blue) on a piece of microplastic. (Image: ACS Applied Materials & Interfaces 2021, DOI: 10.1021 / acsami.1c04559) To remove microplastics from...

It’s getting tight for the great apes

Chimpanzees like this one could lose large parts of their habitats. (Image: Pascal Gagneux / GMERC) Whether chimpanzees, bonobos or gorillas: the African great...

Tiny “ice mummies” revived

Rotifers are tiny multicellular organisms that can also live in soil. (Image: Michael Plewka) They survived the freezing and then about 24,000 years in...

Algal blooms are becoming more serious

Algal bloom in the Baltic Sea, recorded by the Sentinel-3A satellite. (Image: ESA) From time to time, huge carpets of algae spread out in...

Urbanization winners and losers

The Kleine Maivogel (left) came up last among the 158 species examined for urban affinity and is likely to continue to decline in Europe....

“Sea snow” influences the nitrogen cycle

Sea snow: tiny particles of organic material. (Image: C. Karthäuser and S. Ahmerkamp / MPI for Marine Microbiology) In the productive zones of the...

With “mold” against bee parasites

Varroa mites weaken the bees' immune system, transmit viruses and deprive them of nutrients. (Image: Scott Bauer, USDA Agricultural Research Service) Fungal infection instead...

Parasitic ants live longer

The lighter ant is infected with tapeworm larvae. (Photo: Susanne Foitzik / JGU) Parasites usually harm their host because they live at its expense....

Common mammal species can also be endangered

Reindeer have a large distribution area, but they have very specific food requirements. (Image: Robert Kalinagil / Unsplash) Even if an animal species has...

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