A look at strike capabilities worldwide, and how a bomb would affect single cities and people.
Could cosmic inflation be a sign that our universe is embedded in a far vaster realm
The U.S. government's proposal to build the first new nuclear warhead in two decades raises a host of questions
Countries are altering their nuclear arsenals, prompting the U.S. to refurbish its own warheads
There's more to blood banking than just bagging blood
A new technology that mimics the way nature gives bright color to butterfly wings can make cell phone displays clearly legible, even in the sun's glare
Researchers have proposed potential therapies for a paralyzing disorder once thought to be untreatable
Information technology, satellite imaging and research carried out in disaster-relief areas have begun to transform humanitarian aid into a more efficient and less haphazard endeavor
Scientists now recognize that vitamin D does much more than build strong bones and that many people are not getting enough of it. Is widespread D deficiency contributing to major illnesses?
Deadline: Dec 11 2013
Reward: $52,000 USD
Platform technologies – tools, techniques, and instruments that enable entirely novel approaches for scientific investigation across a b
Deadline: Jan 11 2014
Reward: $20,000 USD
Conventional washing machines cause excessive damage and wrinkling to clothes primarily during the water removal step. With the introduc
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