Dinosaurs died out some 65 million years ago, so how could we possibly determine the color of their skin--or feathers? As Scientific American's Eric R. Olson explains, new fossil evidence is pointing the way. Episode written by Kate Wong.
Deadline: Jun 30 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
Deadline: Jul 30 2013
Reward: $100,000 USD
The Seeker desires a method for producing pseudoephedrine products in such a way that it will be extremely difficult for clandestine che
Powered By: 
1 Comments
Add Comment"Animatronics" has the answer.
Reply | Report Abuse | Link to this