A new study suggests Risso's dolphins, which are common along the U.S. Pacific Coast, use past experiences to plan their dives for food. Elizabeth Haslam/Flickr hide caption
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Wednesday
Artist's rendering of how the first stars in the universe may have looked. N.R.Fuller/National Science Foundation/Nature hide caption
A study in mice suggests that our brains tell us when to start and stop drinking long before our bodies are fully hydrated. Guido Mieth/Getty Images hide caption
Melanie White takes photos of North Atlantic right whales from NOAA's Twin Otter as the plane circles the whales near Savannah. Whale observers and researchers use the photos to identify the whales. Molly Samuel/WABE hide caption
Researchers Haven't Found A Single Endangered Right Whale Calf Yet This Season
Fresh and dried yeast. It might not look like much, but it has shaped the way we eat and live, according to a new book. Maximilian Stock Ltd./Getty Images hide caption
Barbra Streisand plays with her dog Samantha near her son, Jason Gould (left), and husband, James Brolin, in Paris in 2007. Samantha died last year, but Streisand now has clones of the dog. Philippe Wojazer/Reuters hide caption
Though Prices Aren't As High As Before, West Texas Enjoys Oil Revival
Tuesday
Cars drive along Mittlerer Ring in Munich. Germany's highest court has ruled that cities may impose bans or partial bans on diesel cars in order to bring down emissions levels. Andreas Gebert/Getty Images hide caption
Positive pregnancy tests can also be a positive indicator for the future of the economy, according to new research published by The National Bureau of Economic Research. SKXE/Flickr hide caption
June Jo Lee's interest in food anthropology inspired her husband Philip Lee to create a publishing company that would bring books about good food to kids. Readers to Eaters hide caption
Erich Berger and Mari Keto have made radioactive jewels, part of their Inheritance Project, that are unwearable by humans — and remain locked in a concrete vault equipped with radiation measurement devices. Courtesy of Erich Berger hide caption
Monday
A king penguin colony nests in 2007 at Volunteer Point, Falkland Islands. Peter Macdiarmid/Getty Images hide caption
Estill sells her cloth and yarn at three separate stores. She hopes to get that number up to nine. Andrew Nixon/Capital Public Radio hide caption
A man bends with a beautiful hip hinge in Puerta Vallarta, Mexico. Courtesy of Jean Couch hide caption