Richard Dawkins was right. Again.
- Genetic Link Between Visual Pathways of Hydras and Humans Discovered
(Science Daily, 3/5/2012)
[go to link for full article]
What good is half an eye? Evolutionary biologists studying the origins of vision get that question a lot, and new research out of UC Santa Barbara points to a possible answer. Findings appearing March 5 in the journal BMC Biology indicate that, even in the absence of eyes altogether, some creatures display a light-sensitivity that uses the same visual pathway that allows humans to see.