New insights into vitamin A recycling and daytime vision

Many people remember been told as kids when they refused to eat their vegetables that "carrots are good for your eyes." Although parents may not have fully understood it at the time, there is some truth to this. Carrots are ...

Waterbug from European rivers found in the Iberian Peninsula

Aphelocheirus aestivalis, a waterbug found in mid and high sections of well-oxygenated and preserved rivers in the European continent, has been found for the first time in Catalonia (Spain), specifically in the rivers Ter ...

How the strep bacterium hides from the immune system

A bacterial pathogen that causes strep throat and other illnesses cloaks itself in fragments of red blood cells to evade detection by the host immune system, according to a study publishing December 3 in the journal Cell ...

How to spot a wormhole (if they exist)

A new study outlines a method for detecting a speculative phenomenon that has long captured the imagination of sci-fi fans: wormholes, which form a passage between two separate regions of spacetime.

Optical vacuum cleaner can manipulate nanoparticles

Scientists at Tomsk Polytechnic University jointly with Russian and international colleagues developed the concept for constructing an "optical vacuum cleaner." Due to its optical properties, it can trap nanoparticles from ...

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