The whiskered auklet's plumage, joshua trees, squid beaks and more
How to stop global warming? CO2 "scrubbers," a new book says
Great white sharks are typecast, say experts. The creatures are socially sophisticated and, yes, smart
Great whites have tiny brains but powerful sensory organs
Lab-grown gemstones are now practically indistinguishable from mined diamonds. Scientists and engineers see a world of possibilities
Charles Darwin's bid for enduring fame was sparked 150 years ago by word of a rival's research
Where to See Famous Diamonds
America's oldest primate, ocean dead zones and alligator lungs
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