ScienceNew Archaeopteryx fossil suggests dinosaur-era bird wore 'feather trousers' Researchers studied a new preserved fossil of Archaeopteryx that showed that its hind limb feathers were likely not used for flight purposes. Flight may have, however, been a secondary adaptation of the feathers.by Tina Shah
ScienceUltrasound helps astronomers determine age of stars by listening to their heartbeatsby Jim Algar
ScienceWho says plants can't hear? They hear those hungry caterpillars coming, say scientistsby Jim Algar