Unnatural Selection The gaping gender gap in Asia—the result of sex-selective abortion—has a burgeoning (and to some, equally alarming) counterpart here in the U.S. By Mara Hvistendahl published July ...

Millions of years ago, the natural environment was shaping us into the species we are now and humans evolved by natural selection. But as humans continue to evolve, we've turned the notion of natural ...

Evolution. It’s one of the most beautiful miracles of the natural world—too powerful to teach in many American public schools. But, for every animal that adapts in ingenious ways to avoid predators or ...

"Illustrations by Katrina van Grouw"--Dust jacket. NH copy 39088019930916 has bookplate: Smithsonian Institution Libraries, Gift from the Margery Masinter Foundation Endowment for Illustrated Books.

For Dr. Puneet Bedi, the intensive care unit in Apollo Hospital's maternity ward is a source of both pride and shame. The unit's technology is among the best in Delhi—among the best, for that matter, ...