Your crafty password may not be powerful enough to overcome a cyberattacker. Earlier this month, LinkedIn urged its users to change their passwords after a database was hacked, exposing millions of passwords. Mihai Simonia/iStockphoto.com hide caption

itoggle caption Mihai Simonia/iStockphoto.com

Some parents say the hardest part of flying with young kids on an airplane is dealing with unpredictable kids and adult passengers. iStockphoto.com hide caption

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Human baby Charlotte, the 13-month-old daughter of NPR producer Tom Bullock, tried the same tests that DeeChee, the robot, does for language-learning experiments. Dr. Caroline Lyons says human babies have an advantage: They spend every waking hour of the day in a speaking world. Tom Bullock/NPR hide caption

itoggle caption Tom Bullock/NPR