Word: darwins
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...Darwin had no way of knowing this, since he had no way of examining DNA. If he did, he might well have rethought one of his most potent metaphors for evolution: the tree of life. It's not that the metaphor is wrong. Scientists regularly reconstruct evolutionary branches today. When a new disease breaks out, for example, the fastest way to figure out what to do is to determine what the pathogen is related...
...Darwin predicted this. "We can dimly foresee that there will be a considerable revolution in natural history," he wrote at the end of On the Origin of Species. He saw his work not as the end of biology but as a beginning...
Putting Evolution to The Test. How does Darwin hold...
...Darwin's microscope. His research, given the technology, was robust...
...This article contains a table. Please see hardcopy of magazine or PDF.] DARWIN TODAY Species share a common ancestry, like branches on a tree Genetic studies confirm that different species have evolved from common ancestors. But DNA has also jumped from one species to another - turning parts of the tree of life into a web Humans evolved from apes in Africa Evidence from DNA indicates that chimpanzees and bonobos are the closest living relatives to humans. Fossils document the course of human evolution in Africa from apelike ancestors over the past 7 million years Natural selection is a powerful force...