rkzenrage • Oct 22, 2007 11:34 am
http://news.yahoo.com/s/livescience/20071019/sc_livescience/originofvisiondiscovered;_ylt=Ai0VSVTIcQ5RLsQo7CwfHXys0NUE
http://english.people.com.cn/90001/90781/90878/6287064.html
The gaps just got a lot smaller.
http://english.people.com.cn/90001/90781/90878/6287064.html
You are reading these words right now because 600 million years ago, an aquatic animal called a Hydra developed light-receptive genes—the origin of animal vision.
It wasn't exactly 20-20 vision back then though.
Hydras, a genus of freshwater animals that are kin to corals and jellyfish, measure only a few millimeters in diameter and have been around for hundreds of millions of years.
The gaps just got a lot smaller.