17/06/2019

Rinsing system in stomach protects the teeth of ruminants

When they graze, goats, sheep and cows often ingest bits of earth that can be damaging to their teeth. Researchers from the University of Zurich have now shown how the animals protect themselves against dental abrasion: Their ...

Benchmarks to better catch the sun

Simulations unveil efficiency targets and design rules to maximize the conversion of light into electricity using organic solar cells.

Satellites assisting look into hurricanes

A mission to probe winds deep inside hurricanes, where most satellites cannot see and few aircraft venture, is showing signs of success despite an unexpected obstacle linked to tensions in the Middle East.

Turning up the heat on pathogenic bacteria

Pathogenic bacteria come alive at the metabolic level when they enter the warmth of the human gut, firing up genes that encode toxins and other compounds harmful to our bodies. A KAUST-led study shows how a critical bacterial ...

For children, charity is about more than money

The proportion of people giving money to charity either by donating or via sponsorship saw a steady decline between 2016 and 2018. Some commentators suggest this is due to a decrease in donor trust in charities, and the latest ...

Melting a satellite, a piece at a time

Researchers took one of the densest parts of an Earth-orbiting satellite, placed it in a plasma wind tunnel then proceeded to melt it into vapour. Their goal was to better understand how satellites burn up during reentry, ...

Image: Instant space selfies

How many times have you taken a selfie and posted it instantly to your favourite social media channel? The Mercury Transfer Module of the BepiColombo spacecraft, currently en route to Mercury, is equipped with three 'selfie-cams' ...

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