vendredi 12 août 2022

smell in nature

The compounds responsible for the earthy smell of recent rain are produced by a wide variety of bacteria and fungi. Recent research sheds light on why microbes bother.
Connor Lynch
Aug 1, 2022

dimanche 7 août 2022

Blood substitute repairs damaged organs hours after heart stops

Use of an artificial blood substitute can reverse cell damage caused by lack of oxygen and could make more organs available for transplants, treat heart attacks and strokes and even reverse death

Health 3 August 2022 By

Hummingbird that was feared extinct is spotted in Colombian mountains

 

The Santa Marta sabrewing, an emerald green hummingbird, has been officially documented for only the second time since it was discovered in 1946

Life 5 August 2022

Transfusing blood from an old mouse to a younger mouse causes ageing

 

The transfusion led an increased number of senescent cells – which accumulate as we get older - in the young mice, suggesting that cellular ageing isn't just a case of wear and tear

Health 5 August 2022 By Chris Stokel-Walker

Phages Treat Gut Inflammation in Mice

 

Mixtures of viruses that attack inflammatory bowel disease–causing bacteria in mice also survive the digestive tract and are well-tolerated in humans, a study finds.

Andy Carstens

Aug 4, 2022

mercredi 20 juillet 2022

Is Israeli writer Yuval Harari a real scholar or a fake: Questions as experts launch new assault

Harari, all set to publish a new book, is admired by personalities like Bill Gates, Barack Obama, but many in scientific community repeatedly debunk the claims he makes.