When does your brain stop making new neurons?
نویسنده
چکیده
A Cosmic Creation Talk about hubris. Surety the most outrageous notion in science is thai observalions, measurements and brainpower can divine the origins of the universe. Yet beginning In me1960s, when asfronomefJ detected radiation that permeales the cosmos and explained It as the whisper of a -big bangthaI started the universe. they have done Just that. ·One of the most basic questions Is where we come from and how we got here,· says physicist lawrence Krauss of Case Western Reserve University. "One of our greatest Intellectual triumphs Is realizing tha, the universe had a beginning.· It occurred 13.7 billion years ago, an explosion that created all maner and energy, plus space and tlma themselves. The universe expanded from a very hot. condensed ·singularl'Y"-thellkes of which cen be found today In black holes. Particles sped away on the expanding seas of space-time, coalescing Inlo galaxies and stars; somelimes a star uploded, sprinkling the void with aloms IhallYentualtv formed our bodies. We ara stardust. The cosmos continues expanding, 115 galaxies like dots on an inflating balloon.
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ورودعنوان ژورنال:
- Newsweek
دوره 150 2 شماره
صفحات -
تاریخ انتشار 2007