What Goes On in Our Brains When We Are in Love?
Romantic love involves a series of complex changes in the brain’s reward system that make us crave the object of our affection
Ask the Experts764 articles archived since 1845
Why do hurricanes hit the East Coast of the U.S. but never the West Coast?
Hurricanes do form in the Pacific Ocean, just as they do in the Atlantic, but none of these storms seem to reach the continental U.S. Why not?
Should the U.S. Take North Korea's Nuclear Threats Seriously?
North Korea’s traditional bellicosity has intensified to new levels with its threatened nuclear war against the U.S. and South Korea. One expert explains why the North should be allowed to keep its nukes in exchange for peace
What Makes Michael Phelps So Good?
Do Phelps's body shape and flexibility give the eight-gold-medal winner a physical edge in swimming?
Ask the Experts: Is El Niño to Blame for So Much Weird Weather?
Winter heat, pounding rains, tornadoes—a climatologist explains which extremes can be attributed to El Niño and which cannot
Fake Weed Leads to a Real Drug Crisis
Synthetic marijuana is cheap, widespread, hard to track and highly toxic
When the Next Hurricane Katrina Hits: Is the U.S. Ready?
The 2005 storm forced New Orleans to improve its flood defenses, but many other shoreline towns are still woefully unprepared
Can You Lose Weight with Exercise Alone?
Despite the implications of a new nonprofit funded by Coke, reams of evidence point to an unequivocal answer
Does This Ebola Vaccine Herald the End of the Virus?
An expert weighs in on what the promising study results will mean for future outbreaks
What Is the Big Secret Surrounding Stingray Surveillance?
State and local law enforcement agencies across the U.S. are setting up fake cell towers to gather mobile data, but few will admit it
