Feeding the Diabetic Brain

Ian Simpson has made a career studying the balance between energy supply and demand in the brain. He's particularly interested in how diabetes disrupts that balance.

Frozen Telescope

Though Doug Cowen's interest is in mapping the heavens, he doesn't spend his time gazing up. His telescope looks down, deep into Antarctica's thick, clear ice.

Invasive Procedure

When plum pox virus turned up in Pennsylvania, it took a team effort to save the state's fruit industry. The experience could turn out to be invaluable.

Pathways for Life

The genetic code of a particularly resourceful microbe offers important clues to how Earth's earliest organisms dealt with profound environmental change.

"Great God A'Mighty"

Legendary groups like the Fairfield Four and the Dixie Hummingbirds are introducing gospel music to a new generation of listeners. Jerry Zolten helps to spread the word.