Jan 28, 2013 | 2
From the time of Charles Darwin science has painted a picture of our earliest ancestor in the image of a chimpanzee. Scientific American editor Katherine Harmon explains how new fossil evidence is redrawing the lines of human evolution.
Deadline: Jul 25 2013
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
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
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