Poaching problem

Poaching problem
As elephant poaching soars, carbon dating, a mainstay of archeology, could be used to date ivory, based on heavy isotopes left over More »

When dead men speak…

When dead men speak…

How do bones, isotopes, historic records, DNA and grave goods tell us about the dead, royal and otherwise?? More »

North Korea’s nukes

North Korea’s nukes

Underground nuclear tests have been the biggest roadblock to a comprehensive test ban. How are these explosions detected, and how More »