Science

Genetic evidence of Holocaust victims

Skeletons discovered on the site of the Sobibór extermination camp. (Photo: Karolina Ratajczak) Until now, they were thought to be Polish victims of the...

Sugar coating as an Achilles heel

Spike protein (green) with sugar coating (yellow) and docked lectins (red). Below the ACE2 receptor on a cell (Image: IMP / IMBA Graphics...

Microplastic: Trojan horse for metals

Microplastic particles can bind other pollutants. (Image: pcess609 / iStock) Microplastics are not only everywhere in the environment and even in us - they...

“Polite” manners with great apes

Basic features of many of our behaviors can also be found in the great apes. (Image: Jeff McCurry / iStock) Friendly signals at the...

Robot ethics

https://www.youtube.com/watch?v=vpFeHmxwoKs What ethical principles should we follow when dealing with increasingly sophisticated and “emotional” robotic systems? A researcher who specializes in the philosophy of...

New case of vegetable carnivore

Sticky flower stalks: How does this rabid plant reconcile prey capture and pollination? (Image: Danilo Lima) New addition to the carnivorous plant community: Researchers...

Machu Picchu is older than expected

The ruins of the Inca city of Machu Picchu. (Image: SL Photography / iSTock) The famous Inca city of Machu Picchu was apparently built...

Wound glue inspired by barnacles

They can even stick to slippery surfaces: barnacles. (Image: Gerald Corsi / IStock) Biological adhesive force as a model: Researchers have developed a tissue...

Valerian: effects and side effects of the natural sedative

Valerian has been a medicinal herb for centuries. It should help against nervousness and sleep disorders. We show what's up and explain...

Young turtles in the evolutionary trap

Ocean currents could bring this young sea turtle directly into the marine garbage carpets. (Image: shalamov / iStock) Up to 343 plastic parts in...

World Climate Report: It’s serious

The earth's climate is changing at an unprecedented rate. (Image: bestdesigns / iStock) It has been around eight years since the Intergovernmental Panel on...

New look at Centaurus A

Galaxy Centaurus A and its radio jet. (Image: Radboud University; ESO / WFI; MPIfR / ESO / APEX / A. Weiss et al...

Stand-up paddling: fun with respect for people and nature

Stand-up paddling is in vogue and continues to be a popular water sport. Take the board and just hit the water? Unfortunately,...

Sleep paralysis: what is it?

What happens during sleep paralysis sounds like a nightmare: You are awake and cannot move. In this article you will find out what...

Test detects virus variants in saliva

This is what the test device looks like. (Image: Devora Najjar) PCR tests are considered the gold standard for the detection of Sars-CoV-2, but...

Licking off the yogurt lid: how dangerous is it really?

Lick the yogurt lid or not? Children in particular like to do this. We explain to you why it can be problematic...

Featured picture: Looked into the hailstone

There is a hailstone behind this colorfully patterned image: its unique internal crystal structure has been made visible using the latest technology. It...

How environmentally friendly is paper made from Silphie fibers?

Streaky Silphie (Silphium perfoliatum). (Image: fotolinchen / iStock) So far, wood has been the main raw material for paper production - a resource that...

Applied geometry 3700 years ago

This Babylonian clay tablet is the oldest known example of a practical application of the Pythagorean triples. (Image: UNSW Sydney) New light on the...

How squirrels learn to jump

Fox squirrel on the go. (Image: Lawrence Wang / UC Berkeley) When jumping from branch to branch, squirrels find tradeoffs between jumping distance and...

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