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Accurate multiple-warhead missiles are beginning to make fixed ICBM's appear vulnerable to a surprise attack. The proposed U.s. mobile missile, the MX, is viewed as an inappropriate response to the perceived problem
There are two major types of diabetes: the maturity-onset form and the juvenile-onset form. Juvenile-onset diabetes appears to develop from a complex interaction between genetic makeup and environment
If one of these new alloys has been formed into a shape at a certain temperature and is then deformed at another temperature, it can "remember" the original shape. The effect has many applications
It holds that at the molecular level most evolutionary change and most of the variability within a species are caused not by selection but by random drift of mutant genes that are selectively equivalent
The first galaxies to form after the big bang have not been seen, but there is good reason to believe they could be. The characteristics of older galaxies suggest what those of younger ones would be like
Scarab beetles playa key ecological role in removing the dung left by herds of mammals. Success in the vigorous competition among such beetles depends in part on their body temperature
The doctrine that the world is made up of objects whose existence is independent of human consciousness turns out to be in conflict with quantum mechanics and with facts established by experiment
The Celts encountered by the Romans when they invaded Britain had built enormous fortifications on hilltops. On Crickley Hill such a fort is superposed on enigmatic works preceding the Celts by 2,000 years