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COMIC: Do forests warm or cool the Earth? What’s their effect on global climate change? A comic narrated by polymath Benjamin Franklin describes the evolution of thought on this issue and what we still don’t know.
FIVE BIG QUESTIONS: If events weren’t properly timed, pandemonium would ensue. Researchers are ferreting out the internal clocks that control developmental sequence and scheduling.
The world’s natural history collections hold billions of biological specimens, many of which still contain DNA. Scientists exploring these genetic repositories are gaining new, historical perspectives on how animals evolve.
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