World Jan 21 50 years ago, a U.S. military jet crashed in Greenland – with 4 nuclear bombs on board In what came to be known as the Thule incident, an American bomber crashed in Greenland, spreading radioactive wreckage across 3 square miles.
Science Dec 30 Column: Why you can’t fry eggs (or sperm) with a cellphone Do male cellphone users really risk infertility due to radiation?…