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...generally rich; more people have homes of their own. We are generally healthy, thanks largely to remarkable advances in medicine. People who died of certain diseases even 30 years ago are routinely saved today. A colonoscopy will detect and lead to the removal of a cancer that shows no external symptoms. Lifesaving operations on hearts and brains occur every day. Not only has medicine advanced; it has allowed people to act on their more selfless impulses. In September a middle-school teacher in Fayetteville, N.C., learned that one of her students suffered from kidney disease and needed a transplant...
...that 1905 paper, Einstein pointed out that because you could not detect whether or not you were moving through the ether, the whole notion of an ether was redundant. Instead, Einstein started from the postulate that the laws of science should appear the same to all freely moving observers. In particular, observers should all measure the same speed for light, no matter how they were moving...
Over the next decade, this situation could change. Hopes are running high that upcoming experiments at giant particle colliders in the U.S. and Europe will provide the first tantalizing glimpses of supersymmetry. More speculatively, these experiments could also detect the first subtle signs of additional dimensions...
...cancer spreads to other parts of the body before doctors can detect it, the chance of survival over five years is around 31 percent. The surgery will help doctors determine the extent of Fineberg's cancer...
TICK TEST Months before ticks are out full force, researchers have announced a new blood test that can detect Lyme disease as early as one week after a tick bite. That's a lot better than the current four to six weeks. The new test (not yet widely available, alas) detects antibodies to Lyme bacteria before they build up in the blood. That means patients can get on antibiotics sooner. Another benefit: the test can distinguish between past infections, which may not require medication, and new ones, which...