Conventional wisdom about early human evolution is that several species arose in Africa. But a skull found in the former Soviet state of Georgia could upend this idea. The discovery suggests that there may have been more variety in a single species than previously suspected.
While mice sleep, their brain cells shrink, allowing cerebrospinal fluid to flow easily around them. The fluid can then clear away toxins. This finding appears to offer the best explanation yet of why animals and people need sleep.
A brew that has all the complexity of a wine and the zing of a Sour Patch Kid, these tangy beers are rising in popularity. And with few hops in them, they're a great option to try if you don't like bitter beers or prefer a pinot noir to a Pilsner.
This is the 40th anniversary of the Arab Oil Embargo, which triggered a seven-year energy crisis. The results of the energy crisis are still with us — both in the political fault-lines in Washington and in the cars that are on our roads.
Wednesday is World Food Day, an occasion meant to strengthen the commitment to end global hunger. Across Europe, activists are throwing disco soup parties to turn leftover food into delicious food to give to the hungry. And as the name suggests, there's music, too.
Psychologist Greg Walton has found that a simple intervention can help many students get the most out of college. The trick is in helping students see that setbacks are temporary, and often don't have larger implications.
The record-breaking wildfire in Yosemite National Park is calling attention to a problem found across the West: Forests are overloaded with fuel after a century of putting out fires. What to do about that is fueling its own heated debate.
Bioethicists from Johns Hopkins talked shop with members of the film and television industry. Because a good story is an accurate story, the two groups discussed how to better portray moral medical issues on screen.
A snorkeler off Catalina Island encountered a rare creature Sunday, when she saw the large eyes of an 18-foot fish staring back at her. It turned out to be a rare oarfish, known to live in waters thousands of feet deep.
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