Curso

From the author of the beloved The Last Days of the Dinosaurs, an imaginative celebration of T. rex from hatching to adulthoodTyrannosaurus rex is a prehisto...

O’Connor et al. describe a Cretaceous coprolite preserving feathers. Bone fragments suggest they are from a hesperornithiform bird, consistent with feather morphologies associated with reduced water penetration observed in aquatic neornithines. Both modern and primitive feathers are present, suggesting plumage as a factor in the extinction of hesperornithiforms.

Cuando vuelven a tener conexión suben los archivos almacenados a los servidores de la compañía

Canal del blog y podcast GeoCastAway sobre geología y ciencias de la Tierra. Ciencias de la Tierra y del Espacio para todo el mundo. Los fenómenos naturales que crearon el Cosmos. Polvo de estrellas c...

Ada E. Yonath. Estructura y función del ribosoma. Premio Nobel de Química 2009. Venkatraman Ramakrishnan. Thomas A. Steitz

Plants share an ancient ultraviolet-B perception and signaling system, but its regulatory mechanisms have partially diverged.

The birth of modern science was hostile to women’s participation. The world’s major academies of science were founded in the 17th century: the Royal Society of London (1662), the Paris Académie Roy…