New evidence of ancient ingenuity forces scientists to reconsider when our ancestors started thinking outside the box
A devastating disease is killing citrus trees from Florida to California
Cops can collect DNA when making an arrest, sometimes before charging a person with a crime. This practice poses a threat to the civil liberties of innocent people
Smallpox may be gone, but its viral cousins—monkeypox and cowpox—are staging a comeback
A bottlenose named Winter lost her tail to a crab trap. So scientists built her a new one
Thousands of robotic insects will take to the skies in pursuit of a shared goal
All stars are born in groups but then slowly disperse into space. A new theory seeks to explain how these groups form and fall apart or, in rare cases, persist for hundreds of millions of years
Deadline: Apr 12 2013
Reward: $8,000 USD
Humanitarian aid drops missions are performed in various locations, populated and unpopulated zones. The current system used, Tri-wall A
Deadline: Apr 30 2013
Reward: $10,000 USD
The Seeker desires an analytical method or methods to determine the concentrations of monovalent and divalent copper in high temperature
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