11 Things We Didn’t Know Last Week

News, discoveries and fun … 1. It takes a licking but keeps on ticking: Scientists can rebuild a mouse’s heart with human cells. (Learn more at Futurity.org) 2. Quick: Who’s that below? A simple test that measures the ability to recognize and name famous people may help diagnose early dementia. (Learn more at AARP) 3. Drinking two cups of cocoa a day may help keep your brain healthy. (Learn more at AARP) 4. Twitter can predict elections. (Learn more at …

Douglas Engelbart: The Man Behind Your Mouse (And a Lot More)

If it weren’t for Douglas Engelbart, the computer on your desk might still be little more than a glorified typewriter, and you might still be struggling to remember arcane DOS commands so you could type them into a luminous green C:\ prompt on a black screen. And the multimedia marvels of the Web might not have ever existed. As computer historian Howard Rheingold once wrote, “We wouldn’t be sitting in front of personal computers today if it wasn’t for him.” Back …