We have been microwaving our food for 50 years. Why are some people still worried about their safety? And new research looks at the connections between the oceans, the phytoplankton and bacteria that live in them, and the aerosolized materials that can end up high in the atmosphere.
The team of paleoanthropologists that discovered fossils of Homo naledi in a South African cave two years ago say the bones are between 335,000 and 236,000 years old. Plus, Science Friday has a new show! Undiscovered tells the back stories of great scientific discoveries.
We’ve been nuking our food for 50 years. Why are some people still worried about their safety?