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Do our genes make us popular?

Always the last one picked for kickball? Never get invites to the hottest parties? Blame Mom and Dad. That's right, a new study says genes may influence whether or not you're popular.

January 26, 2009 — Jordan Lite

Loss of bone strength could pose health problems for space vets

Space travel is a dangerous business—everyone knows that. But even those astronauts who return to Earth safely may not be in the clear. A new study of International Space Station (ISS) veterans reveals a significant loss of bone strength, potentially upping their risk for injury later in life...

January 26, 2009 — John Matson

Clinic develops iPhone app to help stutterers

There's good news this week for the 66 million people worldwide (3.3. million in the U.S.) who stutter: the Hollins Communications Research Institute (HCRI) in Roanoke, Va., this week added software developed for the Apple iPhone and iPod Touch to participants in the organization's 12-day speech therapy program to help people control stuttering...

January 26, 2009 — Larry Greenemeier

New Japanese satellite measuring Earth's carbon dioxide

Take a deep breath: there's now a satellite monitoring how much greenhouse gas we're expelling into Earth's atmosphere.

"Ibuki"—"breath" in Japanese—was launched into the cosmos today from Tanegashima, a remote island in the southern part of the country...

January 23, 2009 — Jordan Lite

Apple's Mac turns 25

Hard to believe it's been 25 years since Apple's slick TV spot, which aired during the third quarter of an otherwise forgettable Super Bowl between the Los Angeles Raiders and the Washington Redskins, ushered in the era of the Macintosh...

January 23, 2009 — Larry Greenemeier

FDA approves first human embryonic stem cell safety trial

Federal regulators have green-lighted the first trial of an embryonic stem-cell treatment in humans. The U.S. Food and Drug Administration (FDA) gave the go-ahead for Geron Corporation to start a phase I safety trial of its therapy GRNOPC1 for spinal cord injuries, the Menlo Park, Calif.–based company announced today...

January 23, 2009 — Jordan Lite

Computer worm threatens security as Microsoft announces mass layoffs

As if Microsoft's announcement yesterday that it's laying off 5,000 employees (the first such sackings in the company's 34-year history) wasn't bad enough, now some security analysts are predicting the worst is yet to come as the highly infectious Conficker worm continues to thrive after already striking as many as 10 million Windows PCs worldwide...

January 23, 2009 — Larry Greenemeier

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Scientific American Health & Medicine

Scientific American Health & Medicine