5 liens privรฉs
Santรฉ โ Bretagne : Aujourdโhui comme hier, ce nโest pas toujours facile de trouver les pochettes de sang qui sauvent la vie ร des millions de personnes chaque annรฉeโฆ
Du coup, je suis heureuse de relayer quโun ver de vase (Arenicola marina) possรจde des molรฉcules dโhรฉmoglobine particuliรจres qui pourraient remplacer le sang et/ou assurer une meilleure conservation des organes de transplantation.
"Jurassic Park's iconic image of a fossilized blood-filled mosquito was thought to be fiction โ until now. For the first time, researchers have identified a fossil of a female mosquito with traces of blood in its engorged abdomen. The fossilized mosquito contains molecules that provide strong evidence of blood-feeding among ancient insects back to 46 million years ago (paper abstract). The insect was found not in amber, as depicted in Jurassic Park, but in shale sediments from Montana. After 46 million years, however, any DNA would be long degraded."