Ordinary Geiger counters, worn on belt clips and resembling pagers, have been in use by the U.S. Customs Service for years.
I first bought a Buffy Sainte-Marie record when I was 12, and her music has always remained with me. In the 1960s, as a political activist, Buffy's lyrics were fearless, and I'm very grateful for all the risks that she took.
Science goes from question to question; big questions, and little, tentative answers. The questions as they age grow ever broader, the answers are seen to be more limited.
For un-subscribe please check the mail footer.