David Hanson builds intelligent robots with lifelike human faces that can make eye contact and understand human speech well enough to hold a conversation.
Comparisons show post-Gulf oil spill oysters have higher heavy metals vanadium, chromium, cobalt, and lead concentrations in shells, gill, and muscle tissue.
Jacqueline Barton received a National Medal of Science after learning that cells use the double strands of the DNA helix like a wire for long-range signaling.