Our DNA reveals extinct "ghost lineages" that shaped human evolution, painting a complex, "braided stream" of history rather than a simple progression. These ancient groups, leaving no fossils, ...

What is that how can a tooth survive the years and bear any intelligible mark of the molecules on its side when bone and other soft tissue have long since decayed? In the case of ancient-DNA, teeth ...

Challenge students to design their own experimental protocol to extract DNA from strawberries. By developing their own protocol and presenting their findings in a lab meeting, students learn the ...

It’s a common mistake to think we came directly from the monkeys or chimps you see at the zoo today, but the actual story of our origins is more about a complex family tree than a straight line. We ...