Friday, January 29, 2010
Bird-Dinosaur in Technicolor
"Which came first, the chicken or the dinosaur egg? That one's a cinch. Less obvious is the riddle of kinship. Most scientists think birds evolved from dinosaurs about 150 million years ago. But a sparse fossil record has provided ammunition to those who insist that birds arose independently. A stunning new fossil makes that idea virtually untenable. And a second paper this week brings dinosaur feathers vividly to life, offering new clues to why this instrument of flight first evolved in flightless creatures." Full article @ Science.com.