Bird Brains - July 2008 Clues to the origins of human language are turning up in the brains of birds.
Booming Sands - Jan. 2005 Scientists look into a generations-old conundrum: how and why do certain sand dunes produce mysterious noises?
Capturing Carbon - Jul. 2008 An eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere.
CERN - Jul. 2007 Beneath the Alps, the mother of all particle accelerators nears completion.
Dark Matter - Jun. 2008 Turns out most of the universe is held together by a mysterious, invisible substance.
Emergence - Jul. 2007 How does the "intelligence" of an ant colony or the stock market arise out of the simple actions of its members?
Epigenetics - Jul. 2007 Our lifestyles and environment can change the way our genes are expressed, leading even identical twins to become distinct as they age.
Fastest Glacier - Jul. 2005 A glacier moving way too fast reveals how unpredictable the effects of global warming can be.
First Primates - July 2008 Our most distant primate ancestors, which took the stage shortly after the dinosaurs left it, were tree-dwellers the size of mice.
Fish Surgery - Oct. 2005 Veterinary medicine has caught up with Americans' love for their number one choice of pet: the fish.
Frozen Frogs - Apr. 2005 The common wood frog freezes solid every winter and then, come spring, defrosts and mates.
Fuel Cells - Jul. 2005 Hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon?