A population boom in the 1970s helped make the Bering Sea’s walleye pollock the most valuable fishery in the United States. Scientists are still debating what caused the unexpected surge.

Solar Impulse, an ultralight plane powered completely by the sun, will kick-off its coast-to-coast flight across the U.S. from Moffett Airfield in Mountain View on May 1.

The San Mateo Resource Conservation District is spearheading a project that will remove a concrete barrier from the San Francisquito Creek, making it easier for fish to swim through.

Take 50 Stanford University engineering students, give them $250,000 and two years, and what do you get? An affordable net-zero energy house for the 2013 Solar Decathlon.

Stanford’s fifth annual Cool Product Expo showcased a robotic machine that automatically mixes drink, a skateboard that simulates snowboarding on pavement, a collapsible kayak that folds into a tote bag and much more.