By Sarah Kuta Footprints have revealed that early human species walked the muddy shore of Lake Turkana 1.5 million years ago. The new “mind-blowing” discovery shows that Homo erectus and Paranthropus boisei stepped at the same site within days—or hours—of each other. Their footprints provide the first direct, physical evidence that multiple early human species […]

By Jamie Malanowski In 1882, in a townhouse at 136 East 36th Street in New York City, Edward Hibberd Johnson had an idea that would make him the unsung set decorator of a zillion holiday snapshots. Fronted by a luxurious mustache, this loyal lieutenant to Thomas Edison was the embodiment of his era: part engineer, […]