Related topics: stem cells · osteoporosis · fossil · fractures · dinosaurs

Archaeologists discover oldest known bead in the Americas

University of Wyoming archaeology Professor Todd Surovell and his team of collaborators have discovered a tube-shaped bead made of bone that is about 12,940 years old. The bead, found at the La Prele Mammoth site in Converse ...

How bird evolution swapped snouts for beaks

Birds are among the most successful creatures on the planet, with more than 10,000 species living across the globe, occupying a dizzying array of niches and eating everything from large animals to hard-to-open nuts and seeds.

Producing hydrogen from seawater

In her research on bone tissue engineering, Dr. Marta Cerruti has worked for years with graphene, a single sheet of carbon atoms with incredible properties—electrical conductivity and the ability to support tremendous weight. ...

Homo erectus hand ax found in East Africa

A team of researchers from Japan, Hong Kong and Ethiopia has found a hand ax that they believe was made by a possibly direct human ancestor in what is now modern Ethiopia. In their paper published in Proceedings of the National ...

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