
Three puzzles from Martin Gardner (1914-2010)
Philip Yam is the managing editor of ScientificAmerican.com, responsible for the overall news content online. He began working at the magazine in 1989, first as a copyeditor and then as a features editor specializing in physics. He is the author of The Pathological Protein: Mad Cow, Chronic Wasting and Other Prion Diseases.

Three puzzles from Martin Gardner (1914-2010)

Profile: Martin Gardner, the Mathematical Gamester (1914-2010)
For 25 years, he wrote Scientific American's Mathematical Games column, educating and entertaining minds and launching the careers of generations of mathematicians

Alien horror: Stephen Hawking hawks Stephen King

Scientific tricks for staying in love

Scientific American launches "World Changing Ideas" video contest

Marshall Nirenberg, Forgotten Father of the Genetic Code, Dies

A window on savant syndrome closes with the death of Kim Peek

Scientific American editor in chief Mariette DiChristina honored as one of "Three Wise Women" of 2009

Mariette DiChristina Named Scientific American Editor in Chief
DiChristina becomes the eighth person to assume the top post in the magazine's 164-year history

Is it time to kill the Antarctic Treaty?

Qapla'! Christie's Star Trek auction [Re-Post]

In 2012 neutrinos melt Earth's core, and other disasters

Flu vaccine: A shortage that didn't have to be?

Economics Nobel Highlights How Social Relationships Explain Certain Economic Activities
Elinor Ostrom and Oliver E. Williamson win the prize for their analyses of cooperation and conflict in economic governance

How to Get Humans on Mars: Make It a One-Way Trip

Origins: The Start of Everything
Where do rainbows come from? What about flying cars, love and LSD?

Buckyballs and Nanotubes
A once overlooked form of carbon may represent the future of technology

Mad Cow Disease
Cannibalism takes its revenge on modern farms

Mysterious Origins: 8 Phenomena That Defy Explanation [Slide Show]
The unknown origins behind language, handedness, flu seasons, superconductivity, antimatter, proton spin, cosmic rays and sex

The Origin of Scientific American
A week of origins, starting with our own back in the 19th century

Whatever Happened to the Mars Rovers?
Also: updates on stem cells from proteins, quasicrystals and a billion-year memory drive

Are Rorschach tests really any good?

Updates: Whatever Happened to Hubble's Last Fix?
Also: updates on mercury in seafood, happiness and choices, and delisting the gray wolf

Updates: Whatever Happened to Fuel Cell Progress?
Also: updates on hurricane warnings, nuclear medicines, and prostate testing