Do you have a question for a scientist featured in the latest episode of FRONTIERS? Here's your chance to stand in Alan Alda's shoes. Click on a scientist's name below to read a brief bio and to e-mail your question. A selection of answers will be posted online.

Please e-mail your questions before October 29, 2002

Jordan Grafman		traces the path through Gage's skull in "How Phineas Lost It." and learns from the remarkable Michelle Mack in "The Power of Half."
Adele Diamond		studies child development in "Why Kids Don't Get It."
Alvaro Pascual-Leone		observes the brain's flexibility in "Into the Dark"
Jonathan Cohen		puts Alan on the spot in "Tough Choices."