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Last year, for example, new solar plants outpaced coal installations in the U.S., and carbon-trading schemes across state and national borders have already begun. Source: sciencefriday.com
Charles Darwin didn't come to his theory of evolution alone. Sean B. Carroll, biologist and author of Remarkable Creatures, describes the naturalists that contributed to Darwin's discoveries. Field ecologist D. Bruce Means explains the work of modern-day naturalists.
A new cast of a skeleton of Homo floresiensis â€” a fossil known as the "hobbit" â€” was unveiled a few weeks ago at Stony Brook University. Anthropologist Bill Jungers describes the hominid, which lived 17,000 years ago and was just over three feet tall.