4 Stories

This Thing Is Your Ancestor

Scientists announce discovery of Saccorhytus coronaries

(Newser) - Our very primitive beginnings look to have been very primitive indeed. It turns out the earliest known ancestor of humans was a sea creature a millimeter in size that likely lacked an anus. In a study published in Nature on Monday, scientists named Saccorhytus coronaries as a 540 million-year-old member—... More »

Infant's DNA Pinpoints Origins of First Americans

The Clovis people descended from Asians, not Europeans

(Newser) - The DNA from a single infant is shining a light on the true origins of the first Americans. The headline-generating research relies on the DNA of a child buried roughly 12,600 years ago, and establishes that the first North Americans were born to humans who came to the New... More »

Turtle Shells Predate Dinosaurs

Research claims shell is 40 million years older than previously known

(Newser) - Turtles were crawling around in their body armor long before the time of the dinosaurs, or at least their ancestors were, according to new research found in Current Biology . Though it was previously believed the turtle shell began forming 220 million years ago, the study of an older ancestor—a... More »

Ancient Relatives of Humans Ate Wood

Scientists analyzed dental tartar in fossils

(Newser) - Did our ancestors eat trees? New fossil evidence shows that a 2 million-year-old relative of humans nibbled on bark and leaves, reports BBC . Scientists analyzed the teeth of two members of the "southern ape" species, or Australopithecus sediba, and found evidence that they included wood in their diet. More »

4 Stories