Humanity's oldest geometries, engraved on ostrich eggs
• At several archaeological sites in southern Africa, hundreds of highly unusual fragments of ostrich eggs have been found • Dating back more than 60,000 years, the shells were eng
Oldest
Ancient fossils reveal our oldest known ancestors had four eyes
• Ancient fossils reveal our oldest known ancestors had four eyes In certain species, a ’third eye’ or parietal eye still exists to detect light, while in humans, this feature has
Secret 15-foot underground railroad reveals Manhattan's oldest anti-slavery safe house
• Secret 15-foot underground railroad reveals Manhattan’s oldest anti-slavery safe house For the first time in more than a century, a secret Manhattan sanctuary for freedom seekers
The world's oldest known vertebrates had two pairs of eyes
• The world’s oldest known vertebrates had two pairs of eyes Facebook Twitter LinkedIn Reddit Flipboard Email The earliest ancestors of all backboned animals, including humans, may
World's oldest cold virus found in 18th-century woman's lungs
• Historic anatomical preparations from the late 1700s in the Hunterian Anatomy MuseumAnatomy Museum © The Hunterian, University of Glasgow Historic anatomical preparations from th