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Hybrid cars: Which is most fuel efficient?

If your wallet is taking a beating from high gas prices and all this talk of green energy has inspired you to shop around for a hybrid car, new fuel-efficiency ratings may help you.

October 21, 2008 — Jordan Lite

Meet my genome: 10 people release their DNA on the Web

Ten people today allowed their genetic maps to be publicly displayed on the Web in the name of research. The effort is part of Harvard Medical School's Personal Genome Project (PGP), which aims to create a large public database of human DNA to aid researchers in their quest to find the causes and cures for genetic maladies.   

The first 10 volunteers, dubbed the PGP-10, include project director and Harvard Medical School geneticist George Church; Harvard psychologist Steven Pinker; technology writer Esther Dyson; Duke University science editor Misha Angrist; Keith Batchelder, CEO of Genomic Healthcare Strategies in Charlestown, Mass.; Rosalynn Gill, founder of personalized health company Sciona in Aurora, Colo.; John Halamka, technology dean at Harvard Medical School; Stanley Lapidus, chairman and CEO of Helicos BioSciences Corp.

October 21, 2008 — Susannah F. Locke

Suicide uptick: U.S. rate climbing

Suicide is on the rise for the first time in a decade, and it has a new face: middle-aged, white adults.

The overall U.S. suicide rate rose by 0.7 percent annually between 1999 and 2005 – from 10.5 suicides per 100,000 people to 11 per 100,000 – but the increase was steeper among white men and women ages 40 to 64.

October 21, 2008 — Jordan Lite

Alternative energy: The "wave" of the future?

The crux of the global warming crisis is how to reduce energy-related carbon dioxide emissions while keeping the lights on. A new In-Depth Report by ScientificAmerican.com takes a look at future technologies that might help.

October 21, 2008 — Jordan Lite

The E-mail from hell: Had fun last night, may have given you an STD

If the Web is such an effective dating vehicle, why not also use it to alert the participants of the consequences of hookups gone bad? That's the idea behind inSPOT, which uses short and not so sweet electronic postcards to quickly spread, so to speak, the news that a partner has a sexually transmitted disease (STD).

October 20, 2008 — Larry Greenemeier

Study clears acrylamide of gastrointestinal cancer link

Lovers of foods cooked at high temps will be happy to know that a new study indicates a chemical called acrylamide, which forms in French fries, chips, cereals, coffee, cakes and other palate-pleasers, apparently does not raise the risk of gastrointestinal cancer.

October 20, 2008 — Lisa Stein

Spinal cord stem-cell trial could start soon, report says

A clinical trial that would test the use of embryonic stem cells to treat spinal cord injury could begin within three months. The Scientist is reporting that the Food and Drug Administration (FDA) may lift its hold on a trial sponsored by California biotech Geron Corp.

October 20, 2008 — Jordan Lite

Could a mild flu pandemic prevent a more deadly one?

A mild first wave of flu pandemic could reduce deaths from a future outbreak of more severe infection, a new analysis suggests.

A review of the effects of the 1918 flu pandemic on American soldiers and British sailors and civilians found that people who were infected during the first, milder spring and summer wave had a 35 percent to 94 percent lower risk of catching the more severe strain than those who weren't infected earlier.

October 20, 2008 — Jordan Lite

Presidential health: "Need to know" is subjective

How much do voters need to know about a presidential candidate's health, and what information should politicians be obligated to share?

The New York Times takes an in-depth look at those questions today, concluding that candidates are sharing less medical information now than in some recent elections, despite candidates' previous health concerns.

October 20, 2008 — Jordan Lite

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