A high-tech way to defrost.
Some risk factors you can’t do anything about
Take this study: “Taller people more likely to develop atrial fibrillation” it says. I’m 6’2″, not extraordinarily tall, but tall enough. Over a period of 10 years beginning in 1986 I suffered four brief (no more than a couple of days at worst) spells of atrial fibrillation. It’s now been just about 10 years since …
Now that’s what I call a compact!
Rice University scientists have attached light-powered motors to the single-molecule cars they announced a few months ago. How small are these cars? Well… The nanocars, which measure just 3-by-4 nanometers, are about the same width as a strand of DNA, but much shorter than DNA. About 20,000 of these nanocars could be parked, side-by-side, across …

