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HIV drugs turned street drugs in South Africa

Teens in South Africa have found a new use for efavirenz (brand name Stocrin in South Africa and Sustiva in the U.S.), an antiretroviral drug that prevents HIV from making copies of itself in the body...

April 7, 2009 — Coco Ballantyne

Tornadoes, prepare to be demystified

Storm chasers, get your cameras: Tornado season is here. From April to June, more tornadoes spin up across the U.S. than during any other period. And although they've been the topic of both scientific and cinematic fascination for decades, researchers still have a lot to learn about how these deadly storms form...

April 7, 2009 — Katherine Harmon

GM, Segway roll out an electric scooter built for two

Cash-strapped General Motors Corp., which is still mulling what to do with its failing gas-guzzling Hummer Division, today showed its greener side when it unveiled Project PUMA (Personal Urban Mobility and Accessibility), a compact, battery-operated two-wheeler for two that it's developing with Segway, Inc., maker of the upright electric  lawn mower–like vehicle that debuted in 2002...

April 7, 2009 — Larry Greenemeier

The "bunny" hop: Resurrecting the Easter bilby

Rabbits aren't exactly popular in Australia, where invasive European rabbits have wreaked havoc on the country's ecology. And so, with Easter just days away, many Australian children will be celebrating not with the traditional Easter bunny, but with the Easter bilby, as the nation uses the holiday to to celebrate—and raise funds to protect—one of its most endemic, and most endangered species, the greater bilby ( Macrotis lagotis )...

April 7, 2009 — John Platt

Gene pool jeopardy: Can Isle Royale's wolves be saved?

Some of the most studied wolf packs in the world are in serious jeopardy. Researchers report that the occurrence of debilitating bone deformities in wolves marooned on Isle Royale, an isolated island in Lake Superior north of Michigan, has risen sharply over the past five decades due to inbreeding...

April 7, 2009 — Adam Hadhazy

All quiet on the sunspot front

The sun's tumult waxes and wanes in a fairly predictable cycle, with sunspots, patches of intense magnetic activity on the solar surface, peaking in number every 11 or so years.

April 7, 2009 — John Matson

Is wisdom in the brain?

Some of us look for wisdom in the Bible, Plato or at Grandma's knee. Dilip Jeste and his colleague Thomas Meeks are searching for it in the brain.

Jeste and Meeks, both geriatric psychiatrists at the University of California, San Diego, hypothesize in the Archives of General Psychiatry that wisdom, or at least the execution of its attributes, can be found in the brain's primitive limbic system as well as its more evolutionarily advanced prefrontal cortex...

April 6, 2009 — Jordan Lite

The solar installation waiting game

Editor's Note: Scientific American 's George Musser will be chronicling his experiences installing solar panels in 60-Second Solar . Read his introduction here and see all posts here.

STAFFApril 6, 2009 — George Musser

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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine