Olympic Gold May Depend on the Brain's Reward Chemical
A new study reveals that dopamine may help propel athletes into elite mode
Stories by Robin Wylie
Can Astronomical Tidal Forces Trigger Earthquakes?
Recent studies have suggested a link between oceanic tides and some earthquake activity, but proof the gravitational tug of the moon and sun can set off temblors remains elusive
Giant Asteroid Collision May Have Radically Transformed Mars
An ancient, global-scale impact could explain the Red Planet’s mysterious “two-faced” appearance
