Biology
Subterranean Surprises
Scientists are discovering that caves more complex than we ever imagined may yield vast riches about the origins of life
Birdbrain Breakthrough
Startling evidence that the human brain can grow new nerves began with unlikely studies of birdsong
Small Matters
Millions of years ago, leafcutter ants learned to grow fungi. But how? And why? And what do they have to teach us?
The Rarest of the Rare
Scientists at the Smithsonian's Conservation and Research Center have snatched endangered creatures from the brink and redefined conservation biology
Foreign Worm Alert
Aliens are tunneling through North America. Who'd have thought these earth tillers have a downside?
Wanted, Dead or Alive
When scientists go scavenging at a bioblitz, anything they can find that's organic is considered fair game
A Census of the Wild
A government report takes a look at what we have left and where we are heading
Tasty Brazil Nuts Stun Harvesters and Scientists
A Smithsonian biologist tracks the protein-rich nuts to understand their role in the Amazonian forest
Ailing? Just Add Cells
Now we can grow the cells from which all others derive, but ethical questions are involved
Hey, Mr. White, That's the Wrong Color for That
As hard as you might try, it's not easy to keep folks from finding out that you're color-blind
Phenomena, Comment and Notes
Experiments at sea show we can cause phytoplankton to bloom in areas where it otherwise would not
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