Even retailers that invest heavily in sophisticated security systems are seeing new vulnerabilities from rogue hackers who are buying software tools on the black market.

Security questions such as, "What's your mother's maiden name?" are easy to look up online. So for an extra layer of protection, author P.W. Singer advises making the answer something counter-intuitive, like pizza.

An Indianapolis convention this week is focused on brain injuries of young athletes. The National American Football Coaches Association has 6,000 coaches in attendance.

Some archaeologists have long suspected that a faded painting from the ruins of the 9,000-year-old village known as Catalhoyuk might be a map - of a settlement at the foot of an erupting volcano. Others said no. Now geologists have evidence that the volcano indeed erupted around that time.

The Orlando Sentinel reports that the White House has given approval for the extension, which still must be funded by Congress. However, the decision could lead to a budget crunch down the road.

This super cold air is usually whirling around the Arctic. But a big piece has plunged further south than normal. One way to think about what's happening: If a spinning ice skater extends her arms, she slows down. Sometimes, she wobbles and falls. The polar vortex has sort of stretched out an arm.

With weather this cold, you could make an instant Slurpee and "snow" from boiling water.

Students at Rice University in Houston are finding low-cost solutions to big global health problems. The women running the program are hoping to get these young engineers hooked on helping. One particularly successful device that helps infants breathe has already been tested in Malawi and will be distributed to hospitals around the country.

After watching dogs do their business several thousand times, Czech researchers concluded that the magnetic field was a significant force when the pooches lined up to go. They suggest this could mean that behavior studies need to take the magnetic field's fluctuation into account.

Scientists are developing new gigapixel cameras that take extremely high-resolution images with astonishing detail. Who needs to see the world with this kind of super-eye?