None

Not a Lot of Ocelots

Once thought to have vanished from North America victims of hunting and habitat loss the cats maintain a slender pawhold in the thickets of South Texas

Birdbrain Breakthrough

Startling evidence that the human brain can grow new nerves began with unlikely studies of birdsong

When scouts discover a suitable plant near their nest, they leave a pheromone, or chemical, trail, to efficiently guide legions of worker ants to it. The workers soon stream back to the nest in six-inch-wide columns bearing loads up to ten times their own weight.

Small Matters

Millions of years ago, leafcutter ants learned to grow fungi. But how? And why? And what do they have to teach us?

Canadian biologist Pierre D'Amours surveys rivers (here the Restigouche in New Brunswick) to learn what is responsible for the dwindling population of Atlantic salmon.

Lost at Sea

What’s killing the great Atlantic salmon?

Joinery techniques in even the largest modern structures are similar to those used by Henry David Thoreau to build his simple cabin.

Building to a Different Drummer

Today’s timber frame revivalists are putting up everything from millionaire mansions to a replica of Thoreau’s cabin

Enormous gypsum crystals in a Naica cavern

Crystal Moonbeams

A pair of Mexican miners stumble upon a room filled with what could be the world’s largest crystals

None

Look! Up in the Sky! It’s a Bird! It’s a Planet. It’s a Very Large Ball of Ice!

It’s Pluto, with its moon, Charon

None

Keepers of the Flames

Entrepreneur Geoff King has created a unique restaurant on the edge of Tasmania where visitors pay to watch wild devils tear into a meal.

Give the Devil His Due

Blame Bugs Bunny and a nasty yawn for the Tasmanian devil’s bad rap

Royal Bengal Tiger

Behind the Lines: Close Calls

Danger comes with the territory for our writers

This image shows an about 1.6 inch (4 cm) large male Yellow-winged Darter (Sympetrum flaveolum) from the side

Dragonfly Dramas

Desert Whitetails and Flame Skimmers cavort in the sinkholes of New Mexico’s Bitter Lake Refuge

None

Prince of Tides

Before “ecology” became a buzzword, John Steinbeck preached that man is related to the whole thing

None

Hero for Our Time

Challenged to prove his germ theory of disease, Louis Pasteur shaped the terrain on which the battle against anthrax is being fought

"Tigers living in a healthy jungle, Seidensticker concludes, don't have to eat people."

Tiger Tracks

Revisiting his old haunts in Nepal, the author looks for tigers and finds a clever new strategy for saving them

None

Tigers at the Gate

A desert tortoise (emerging from its den) may use the same burrow for many years.

Tunnel Vision

Arizona Naturalist Pinau Merlin celebrates life in the desert by keeping a close eye on it

None

Something’s Fishy

Scientists are trying to fathom why Hawaii’s fish population is declining

None

Review of GERMS: Biological Weapons and America’s Secret War

Review of GERMS: Biological Weapons and America’s Secret War

None

Eureka! Fell Swoops and Stubborn Molars

Endothelial cells under the microscope

Brave New World

Everything you wanted to know about stem cells, cloning and genetic engineering but were afraid to ask

Page 440 of 456