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Opinion, arguments & analyses from guest experts and from the editors of Scientific American

Alzheimer's Risk Linked to Common Complaints, from Poor Eyesight to Denture Trouble

As we age, all sorts of things may start to break down. Joints ache, or vision fails, and or maybe cognitive abilities falter. The leading known risk for getting Alzheimer's disease or other forms of dementia is simply getting older, followed, some studies suggest, by major illnesses, such as diabetes, heart disease, high blood pressure and stroke...

July 14, 2011 — Katherine Harmon

Pacific Northwest Gets More Fast-Charge Juice for Its Electric Highway

The future of electric vehicles (EVs) in the U.S. balances tenuously these days on a chicken-and-egg quandary. Roadside stations that charge EVs in less than 30 minutes are needed to encourage drivers to buy EVs, yet there must also be enough EVs already on the road to justify the investment in a fast-charging infrastructure...

July 13, 2011 — Larry Greenemeier

How Do You Hack Into Someone's Voice Mail?

The scandal that helped shutter Rupert Murdoch's News of the World tabloid and left at least nine News International journalists facing possible criminal charges has brought phone hacking into the spotlight as a means of subversively gathering information for news articles...

July 11, 2011 — Larry Greenemeier

Hacked Hardware Has Been Sold in the U.S.

Last week, an official at the Department of Homeland Security (DHS) told a congressional panel that hardware sold in the U.S. has been compromised by foreign agents.

July 11, 2011 — Michael Moyer

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