
Making a Stand
Charles Q. Choi is a frequent contributor to Scientific American. His work has also appeared in The New York Times, Science, Nature, Wired, and LiveScience, among others. In his spare time, he has traveled to all seven continents.

Making a Stand

Scale Model for Armor

Drug traffickers and other outlaws endanger forest preservation efforts
Illegal ranching and illicit activities hamper forest conservation efforts

Mammoth Sequences: A Hunt for DNA from the Extinct Titans of the Klondike
Duane Froese and Ross MacPhee on an excavation dig to collect material that might hold Pleistocene genetic clues to mammoths

Not So Rapid Eye Movement

News Scan Briefs: Eyes on the Tops of Their Heads; Play Dates for Germ Sharing; Another Gene for Alzheimer's
Also: The New Stone Age; Mountain Climbing Trees; Location Influences Voters; and Martian Hit-and-Run

News Scan Briefs: Iron-Tough Paper; DEET-free Repellent; Artificial Corneas
Biology -- Repellents -- Materials -- Neuropsychology

DEET Beaters

Conservation—Saving Kermit
A repopulation plan for endangered amphibians

Eating With Tension
Ecology -- Oncology -- Immunology -- Privacy

A Bug's Life—Q&A With Isabella Rossellini
A humanized view of invertebrate love

Punishing Scents

Destroyer of Worlds... and Ozone

A New Iron Age
New class of superconductor may help pin down mysterious physics

A Bug's Sex Life: A Q&A with Isabella Rossellini
Green Porno—a humanized view of invertebrate love

Split Defense

Smokestack Soak-Up

Copy That
Identical twins are not genetically identical

Double-Helix Double Up
Identical DNA strands recognize one another from afar

Lost City, Found Hydrocarbons

The New Black

Fact or Fiction?
Do You Need Only Half Your Brain?

New World, New Disease

Crystal Math