Planners ignore microclimates at their peril: mistakes can mean frozen crops, lower house values and camper vans blown off the highway
Today's physics allow outrageous possibilities: faster-than-light travel across the galaxy, or even our learning to make new universes to specification
We have always had to assess the chances that bad things will happen; now, new tools give us hard numbers but also raise new questions
The story behind the Smithsonian's display tiger leads back into tiger history, man-eating and otherwise, and back to the fact that tigers are endangered
It appears to be made out of spare parts, but the only mammal equipped with a carapace is actually a model of ecological efficiency
These ponderous pinnipeds continually set new records for diving to crushing depths; researchers are hard at work to discover just how they do it
With more of us using fireplaces and modern high-efficiency wood stoves, the ancient profession is getting a new lease on soot
Iceberg armadas and flickering climates: how one good idea led to more, and we appreciated anew the world's complexity
If bacterial life did arise on an Earth-like early Mars, we should be able to find its fossil remains preserved in those red rocks
Seeking gifts from the sea, Sanibel-style
Plant and the butterflies will come: This summer the Smithsonian's new garden welcomes its winged visitors
On an ordinary April day the weirdness came to town
These tiny prehistoric parasites have evolved a bold array of weapons, the better to torture their hosts
At the Fourth of July Butterfly Count, devotees census swallowtails, wood-nymphs and all their colorful kin
You can't always tell a book by its cover; in fact, it may not even have a cover. These artists' books convey their message in unexpected ways
How a snake, attended by alarums and excursions, made it from an Asian jungle to the National Zoo and so to its present berth in a Smithsonian museum
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