"Feathered dinosaurs were the first gliders" Few people in the world know as much about the great prehistoric reptiles as Matt Lamanna, PhD in Paleontology from the University of Pennsylvania. Here he talks at length about one of his greatest passions: the feathered dinosaurs of China.
When they have reached their destination, birds that fly long distances suffer from hormonal and behavioral changes , but these anomalies are usually adaptive...
Vulture, zamuro or iribú are the names by which the vulture Corag yps atratus is also known. It has black plumage and legs, a bare head, a hooked bill, long claws, and large wings.
Not even Superman himself has the visual ability that scientists just attributed to migratory birds in a study published today in the journal PLoS ONE.
So far, only one species with this rarity has been found, which has allowed scientists to think that sexual orientation could begin to organize in the embryo of each individual before even sex hormones intervene.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
