A USGeological Survey report found that Americans have done more with less water since 1975. Water use, per person, is down about 30 percent. Read more with Robert Hirsch.
Who doesn't want to know, for example, why birds flying in big flocks never collide? Or if geese mind being force-fed to make foie gras? Read more from Niall Edworthy.
Gill has been studying a period of rapid cooling 13,000 years ago. She says understanding the rapid climate change can be key to understanding the future.
Dr. Allen talked to EarthSky about how an earthquake early warning system could work in California. Read more about the possibility for this system here.
Famiglietti's discovered California's Central Valley - responsible for 25% of the food consumed in the U.S. - has lost alarming rates of groundwater depletion.