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 by February 13, 2001.

Christine Harris		Introduces Alan to the "tickle machine" in "A Ticklish Question"
Robert Provine		Interprets the meaning of giggles in "Laughing Matters"
Ronald Turner		Investigates possible cold remedies in "Cold Comfort"
Wendye Robbins		Uses a pepper-based cream to relieve acute foot pain in "Why are Peppers Hot?"
Sidney Nagel and Heinrich Jaeger		Scrutinizes the subtle movements of sand in "Grains of Inspiration"