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The fields bend the hairs, and that generates a nerve signal, scientists say.

Far from the glitz of South Beach or the tourist mecca of the Magic Kingdom is northern Florida. Information about the Affordable Care Act can be hard to come by for residents, many of whom are working poor and could benefit from the law.

Leaders from tech giants like Google and PayPal say that the password as we know it is dead. So what's the future of authentication online? Apple is implementing fingerprint protection on iPhones, but questions linger about the security and feasibility of biometrics.

What's the most serious threat to the U.S. — a resurgent Russia, Islamic State terrorism, a nuclear Iran? Maybe it's none of the above. It could be something called the Thucydides trap.

More cities are dealing with off-road vehicles being driven on their streets. But the riders say they're helping the community by keeping young people out of trouble.

Navarro, director of the new Office of Trade and Manufacturing Policy, discusses his mission to "defend American workers and domestic manufacturers." He says the administration is off to a good start.

"Our clinic space being compromised will directly lead to more suffering and more death in this desert," one aid worker said. The agency insists it is not targeting humanitarian operations.

After years of recession and rampant tax evasion, the U.S. territory is desperate to renegotiate its $73 billion debt. But it can't declare bankruptcy, and plans to raise taxes face strong resistance.

Around the world, many of us start our day with a drug derived from a natural insecticide: caffeine. Murray Carpenter tells the tale in Caffeinated: How Our Daily Habit Helps, Hurts and Hooks Us.

Thomas Edison built and sold about 500 dolls back in 1890. Now, new technology has made hearing their supercreepy voices possible for the first time in decades. (Thanks, technology.)