Pythons are spreading north in Florida, adapting to cold by using burrows. Scientists warn Brevard County is at risk.
Burmese pythons, one of the state's most fearsome invasive species, have been an established presence in the Everglades for more the 25 years. Scientists thought for years salty water, predators, ...
Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA indicates that natural selection continued to shape hundreds of genes. By Carl ...
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