Science

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...

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...

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...

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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