
"I Stick to Science": A Climate Researcher's Unexpected Congressional Testimony
Why Richard A. Muller wouldn't tell House climate skeptics what they wanted to hear

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"I Stick to Science": A Climate Researcher's Unexpected Congressional Testimony
Why Richard A. Muller wouldn't tell House climate skeptics what they wanted to hear

Will Future Nuclear Power Reactors Be Safer?
The surprising accident at Fukushima puts the spotlight on a new generation of U.S. nuclear reactors. Are they safe enough?

The Tasmanian Devil's Cancer: Could Contagious Tumors Affect Humans?
A contagious tumor threatens to wipe out the famous Tasmanian devil. Could similarly "catching" cancers arise in humans, too?

Living in a Quantum World
Quantum mechanics is not just about teeny particles. It applies to things of all sizes: birds, plants, maybe even people

When Will Scientists Grow Meat in a Petri Dish?
A handful of scientists aim to satisfy the world's growing appetite for steak without wrecking the planet. The first step: grab a petri dish

The Smartest Bacteria on Earth
One species of soil microbe makes unusually wise communal decisions

A Nobel Celebration
As Nobel Prize winners gather this month to share their wisdom with younger researchers, Scientific American recalls some of the articles that Nobel laureates have published in our pages

A Test for Consciousness
How will we know when we've built a sentient computer? By making it solve a simple puzzle

Greater Glory: Why Scott Let Amundsen Win the Race to the South Pole
In the race to the South Pole, explorer Robert F. Scott refused to sacrifice his ambitious science agenda