At last, fossil and genetic findings elucidate the evolution of bats--and settle a long-standing debate over the origins of flight and echolocation
Winners and other images from the 2008 BioScapes Photo Competition use light microscopes to portray extraordinary images of biological specimens
Wrinkled landscapes and spouting jets on Saturn's sixth-largest moon hint at underground waters
Magicians have been testing and exploiting the limits of cognition and attention for hundreds of years. Neuroscientists are just beginning to catch up
Peptide nucleic acid, a synthetic hybrid of protein and DNA, could form the basis of a new class of drugs—and of artificial life unlike anything found in nature
Understanding the human factors that make people vulnerable to online criminals can improve both security training and technology
Next-generation automotive safety technology could give us vehicles that are difficult to crash—and eventually may not need drivers at all
The X Chromosome and the Case against Monogamy
New evidence shows that women pass along more genes to kids than men do—and that males historically have fathered children with several women.
Why Calories Taste Delicious: Eating and the Brain
Sugar is still pleasurable even when it isn’t sweet—an important clue to the rise of obesity.
Liquid Lenses Promise Sharper Phone-Cam Photos
Rensselaer Polytechnic Institute researchers develop a new autofocus lens.
60-Second Science Blog
Growing Urban Areas in Africa Helped to Spread HIV More Than a Century Ago
The most pervasive global strain of HIV began spreading among humans between 1884 and 1924.
The Sticky Science of Gecko Toes
Artificial adhesive microfibers that do not lose their tackiness seem to imitate the structures with which a wall-climbing lizard clings to wet surfaces.
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
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
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