Channel Surfing

Atomic-resolution snapshots illuminate cellular pores that control ion flow

Sarah Hughes unexpectedly skates to a gold medal in Salt Lake City at the Winter Olympics. Barry Bonds whips a baseball bat around to smack yet another home run. At the age of 22, Garry Kasparov defeats Anatoly Karpov to become the youngest world chess champion ever. Physicist Stephen Hawking teases out the mysteries of a black hole.