Supernovae showered Earth with radioactive debris

An international team of scientists has found evidence of a series of massive supernova explosions near our solar system, which showered the Earth with radioactive debris.

9,000 year-old ritualized decapitation found in Brazil

A 9,000 year-old case of human decapitation has been found in the rock shelter of Lapa do Santo in Brazil, according to a study published September 23, 2015 in the open-access journal PLOS ONE by André Strauss from the Max ...

Biological sample prep time cut from days to minutes

When Lawrence Livermore National Laboratory researchers invented the field of biological accelerator mass spectrometry (AMS) in the late 1980s, the process of preparing the samples was time-consuming and cumbersome.

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