Size of mammals exploded after dinosaur extinction

Researchers demonstrate that the extinction of dinosaurs 65 million years ago made way for mammals to get bigger - about a thousand times bigger than they had been. The study, which is published in the prestigious journal ...

Researchers discover how opium poppies synthesize morphine

Many people who live in developing countries do not have access to the pain relief that comes from morphine or other analgesics. That's because opiates are primarily derived from the opium poppy plant (Papaver somniferum) ...

Detached gecko tails dance to their own tune

Geckos and other lizards have long been known for their incredible ability to shed their tails as a decoy for predators, but little is known about the movements and what controls the tail once it separates from the lizard's ...

page 3 from 15