Planetary Society's LightSail experiment. Planetary Society hide caption
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Sunday
Carlo Ratti of MIT designed this "supermarket of the future" exhibit. If you move a hand close to a product, a digital display lights up, providing information on origin, nutritional value and carbon footprint. Courtesy of COOP Italia hide caption
Saturday
Dwayne "The Rock" Johnson and Carla Gugino star in the action thriller San Andreas. Jasin Boland/Courtesy of Warner Bros. Pictures hide caption
The sun sets along 42nd Street in Manhattan in 2013 during a semi-annual phenomenon known as "Manhattanhenge," when the sun aligns perfectly with the city's transit grid. John Minchillo/AP hide caption
Friday
Why did a deliberately bad study showing the weight-loss benefits of chocolate get picked up by many news outlets? Science journalist John Bohannon — the man behind the study — says reporting on junk nutrition studies happens all the time. iStockphoto hide caption
Trickster Journalist Explains Why He Duped The Media On Chocolate Study
There are legal questions about how far employers can go to encourage participation in wellness programs. Bjorn Rune Lie/Ikon Images/Getty Images hide caption
Dan Byers, an elite-cattle breeder, checks the heartbeat on a newborn calf, born from an embryo implanted in a surrogate heifer. Because the calf was delivered via C-section, he sprinkles sweet molasses powder on her to prompt the surrogate mother cow to lick her clean. Abby Wendle/Harvest Public Media hide caption
Thursday
A security fence surrounds the main part of the U.S. Army's Dugway Proving Ground, a testing laboratory in the Utah desert. The Army says it mistakenly shipped live anthrax from Dugway to several labs in the U.S. and Korea. George Frey/Getty Images hide caption
Eating a chocolate bar daily can help you lose weight? Sorry, that study was a sweet lie — part of an elaborate hoax to school the news media about proper nutrition science journalism. iStockphoto hide caption
Wednesday
A team of scientists say they've discovered evidence of a 435,000 year old murder, based on evidence from the injuries on this skull. Javier Trueba/Madrid Scientific Films hide caption
Matt Schnarr bites into a mealworm lollipop at the Pestaurant event in Washington, D.C., in 2014. Maggie Starbard/NPR hide caption
Tuesday's decision by the U.S. Supreme Court to not review an ordinance passed by Alameda County, California, means that drug makers will now need to pay for collection and disposal of unused drugs in the county. iStockphoto hide caption