Browsing: Lens_biology

Passenger pigeon eggs at the Maine State MuseumBrandon Keim; displayed courtesy of Paula Work, registrar & curator of zoology at the museum The last passenger pigeon died just over a century ago, though they’ve lived on as symbols—of extinction’s awful finality, and also of a human carelessness so immense that it could exterminate without really […]

We have long known that we can catch germs while traveling. Recent years have shown that we can also bring home bed bugs. This holiday season, a PLoS One study informs us that by merely plopping into the seat of a car or airplane, we can unknowingly pick up dust mites—microscopic 8-legged arthropods that eat […]

One hundred sixty years ago, Henry David Thoreau published his magnum opus, Walden. In it he detailed his time spent living alongside nature in a cabin adjacent to Walden Pond. In one of the book’s emblematic lines, Thoreau wrote, “We can never have enough of nature.” He believed that it was a “tonic” for us. […]

A hellbender at the National Zoo in WashingtonBrian Gratwicke via Flickr Wildlife doesn’t get much weirder than the hellbender, a frilly, crayfish-gobbling salamander, about the length of a baby alligator, whose bizarre aliases include “snot otter,” “devil dog,” and “grampus.” The giant amphibian stalks rocky streambeds throughout the eastern United States—or at least it did, […]

Perched on the edge of a snowy slope, the youngster drops a small, makeshift sled at his feet. He steps onto it and glides down the incline, struggling to keep his balance. When the sled slows to a stop, he picks it up and trudges back up to the top for another go. Again and […]