From a single cell--a fertilized egg--comes an elephant, a fly, or a human. How does this astonishing feat happen? How does the egg "know" what to become? How does it divide into the different cells, the separate tissues, the brain, the...
Формат:
только полные версии
How different are men and women, really? Controversy surrounds the question and makes uncovering the answers—based in evolution, genetics, and biology—increasingly difficult. Still, significant differences between the sexes are apparent everyday...
Что мы знаем о жизни клеток, из которых состоим? Скорее мало, чем много. Льюис Уолперт восполнил этот пробел, рассказав о клетках...