Science
This is a calculated flood map for the city of St. Louis. Water depth goes from deep (dark blue) to shallow (white, light blue). Floodwater can come from the Illinois, Upper Mississippi and Missouri rivers, as well as from heavy local precipitation. Courtesy of Dag Lohmann/Katrisk hide caption
Flood Maps Can Get Much Sharper With A Little Supercomputing Oomph
A NASA projection shows the path of Venus and Jupiter; the two planets will converge in the Earth's sky Tuesday night. YouTube hide caption
Clocks around the world, like Big Ben, will have an extra second added tonight. Oli Scarff/Getty Images hide caption
Marking novice drivers' cars doesn't help reduce crash rates when it comes to learner's permit holders, study finds. iStockphoto hide caption
A plume of steam billows from the coal-fired Merrimack Station in Bow, N.H. in January 2015. Jim Cole/AP hide caption
A cabbage butterfly caterpillar. For tens of millions of years, these critters have been in an evolutionary arms race with plants they munch on. The end result: "mustard oil bombs" that also explode with flavor when we humans harness them to make condiments. Courtesy of Roger Meissen/Bond LSC hide caption
Travis Driscoll, a medical school applicant from Berkeley, Calif., studies for the revamped MCAT. April Dembosky/KQED hide caption
Bite into that bread before your main meal, and you'll spike your blood sugar and amp up your appetite. Waiting until the end of your dinner to nosh on bread can blunt those effects. iStockphoto hide caption