Modern life have you feelingfrazzled? Flagging a bit as you rush through your day? Maybe you’re one of the millions of consumers who lean on energy drinks to put a little extra pep in your step.
Some security experts are worried that a cache of radioactive material reportedly stolen from an oil field in Iraq could be used by organizations such as the Islamic State group to produce a dirty bomb.
It’s often said that we know less about Earth’s deep interior than we do about the surface of Mars (or maybe even Pluto). A new global map of subatomic particles called antineutrinos is helping to change that. It’s showing scientists just how radioactive our little Blue Marble is.