Feb. 28, 2018, 1:38 p.m.
El pájaro que inventó el vuelo moderno en tiempo de los dinosaurios
El vuelo ondulado es una reliquia evolutiva de hace 126 millones de años, señala un estudio de dos fósiles hallados en España
tutti - social network
Tutti is the simplest social network on internet. Here you can make friends, create communities, sell things, make surveys, comment and share stuff.
A multidisciplinary team of researchers has managed to solve a puzzle that had bewildered biologists for over a century: how and why an organism’s base metabolism varies depending on its mass. Base metabolism is the minimum energy that an organism consumes to stay alive.https://www.sciencedaily.com/releases/2018/02/180211130650.htm
