Science

Empire was not an “age of security”

Kaiser Wilhelm II and entourage. (Image: clu / iStock) It was considered the "Belle Époque" and the age of security ": In retrospect, the...

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...

How catchy tunes disturb our sleep

Subject in the musical sleep test. (Image: Robert Rogers / Baylor University) Many people listen to music before falling asleep to help them relax....

Featured picture: Searching for clues in the Chiquihuite cave

In search of traces of the past, researchers venture into remote caves: Here archaeologists are on their way to the Chiquihuite cave in Mexico,...

Mysterious darkening of a star

This illustration shows the occultation of the star VVV-WIT-08 (Image: Amanda Smith / University of Cambridge) Stars that change their brightness cyclically are not unusual...

Metals discovered in the brains of Alzheimer’s patients

Copper particles in the amyloid deposit of an Alzheimer's brain. (Image: Neil Telling and James Everett) Researchers have discovered tiny deposits of elemental copper...

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...

Dance to the rhythm of rattling elk teeth

Rhythmic movements with sound effects: Stone Age hunters and gatherers in today's northwestern Russia once danced to the rattling sound of elk-tooth followers. ...

Laughing gas for severe depression

Depression can become life-threatening. New treatment options are in demand. (Image: cindygoff / iStock) Hope for previously hopeless cases: a one-hour treatment with...

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...

Cretaceous live snail birth

99 million year old birth scene in amber: a snail and its five young animals. (Image: Tingting Yu) When it was just giving birth...

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...

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