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TIME.com: Top Science and Health Stories

AmnestyInternational: In the U.S., Too Many Women Dying While Having Babies
In a new report on pregnancy andchildbirth care in the U.S., Amnesty details the maternal health care crisisin this country as part of a systemic violation of women's rights

Call to Lift Ivory Sales Ban Threatens African Elephants
African elephants have slowly rebounded since the end of the Ivory Wars in 1989, but two nations are now petitioning to drop the animals' conservation status

PepsiCo Tests Fertilizer to Cut Tropicana CO2 Emissions
PepsiCo, which owns the juice brand Tropicana, is experimenting with greener farming methods in order to reduce the carbon footprint of a morning glass of OJ

Breast Pumping on Rise As Moms Choose Not to Breast-Feed
Some mothers refuse to breast-feed -- and not because they can't produce milk or prefer formula. They simply prefer to pump milk and exclusively bottle-feed their babies

'How to Never Look Fat Again': No-Diet Tricks to Be Thin
In her new book, How to Never Look Fat Again: Over 1,000 Ways to Dress Thinner -- Without Dieting!, author Charla Krupp has solutions for everything from the muffin top to the Buddha belly

'Hella-' Internet Campaign Lobbies for New Science Term
A physics student at the University of California thinks hella deserves immortalization in the annals of mathematics as an officially recognized scientific-unit prefix

Study: Older Men Want Sex More Than Older Women Do
Data suggest that men want sex more, have more sex and enjoy it more than women. That holds true even into their 70s

Climate Change: Who Pays for Emissions in Global Trade?
The carbon equation isn't as straightforward as we might think. Scientists find that rich nations are essentially outsourcing some of their carbon emissions to developing nations through global trade

Study: Women Who Drink Less Likely to Gain Weight
New findings suggest that women who drink moderately are less likely to gain weight over time than those who don't

Green Groups to Cameron: Be Our King of the Environment!
Days before the Academy Awards, a coalition of green groups is lobbying the director of Avatar to use his platform to send the world an environmental message

Obesity: How Intestinal Bacteria May Cause Weight Gain
A growing body of research suggests that your ever expanding gut is not only the result of weight gain, but could potentially be a cause

Rogue Waves and a Mediterranean Cruise-Ship Disaster
For centuries, mariners have told tales about sudden stories-high waves that emerged out of the open ocean without warning, strong enough to topple even large ships. Fact or fiction?

More Warming Worries: Methane from the Arctic Permafrost
Scientists discover that methane is leaking from the continental shelf. It's bad for climate change -- but the question is, How bad?

U.S. Backs Ban on Bluefin Tuna Trade; Japan Faces Threat
The Atlantic bluefin tuna is considered a delicacy worldwide and is a staple in sushi restaurants. But we are literally eating the bluefin tuna to death. A proposed ban on international trade of the fish might change that

Study: Darkness Encourages Dishonest Behavior, Cheating
Darkness encourages dishonest behavior, psychologists in a new study say, and it's not just because they are less likely to get caught at night

Study: Titanic, Lusitania Disaster Survival Differences
A new analysis of how passengers of the Titanic and Lusitania reacted as each ship sank reveals much about when our will to survive supersedes our manners -- and when it doesn't

Study: Foodborne Illness Costs U.S. $152 Billion a Year
A new study calculates the true cost of foodborne illness, suggesting that it's a more serious and expensive public-health threat in the U.S. than previously estimated

NASA: Chile Earthquake Shifts Earth's Axis, Shortens Day
According to a NASA scientist's computer modeling, the earthquake in Chile should have shifted the Earth's mass and figure axis, shortening the planet's day

Food Inc. Director Robert Kenner
In his Oscar-nominated film, Robert Kenner takes on the entire food industry to demonstrate how a handful of corporations often put profit ahead of consumer health, the livelihood of the American farmer and the safety of workers and our environment

Study: Baby Einstein DVDs Don't Help Tots Learn Words
To see whether educational DVDs really encourage young children to learn new words, a new study put Baby Wordsworth of the Baby Einstein series to the test

Study: Parents Weigh Hastening Death for Cancer Children
A small but intriguing study suggests that many parents may wish to hasten death for terminally ill children in order to relieve their pain

Peanut Allergy in Kids: British Study on Early Food Exposure
The conventional treatment for allergies to foods like peanuts, eggs, milk or shellfish has been no treatment -- patients are advised to avoid problem foods altogether. But recent studies suggest a new approach

Silicon Valley Bets on Clean Tech, New Energy Solutions
To help fix the planet's long-term energy woes, big companies are starting to help scale up initiatives in Silicon Valley and other hotbeds of innovation

Polar Bears, Grizzlies in Canada: Will They Cross-Breed?
In Canada, grizzly bears have been spotted in areas that are known to be polar-bear territory. What will happen if the two species collide?

Are Flu Shots Effective at Preventing Illness?
The weight of scientific evidence indicates that flu vaccines do not reduce mortality or infection rates in the elderly, according to British researchers. Why do we keep using them?

Study: Are Liberals Smarter Than Conservatives?
People with higher IQ tend to say they're liberal, but that doesn't mean they really are

Jenny McCarthy and Autism-Vaccine Debate Divides Parents
Parents of autistic children call Jenny McCarthy an inspiration, but doctors say she's a menace to public health. How a former Playmate and television loudmouth became one of the most feared mothers in America

Why Did Tilikum the Killer Whale Attack a SeaWorld Trainer?
An official at SeaWorld says that something about the swish of an experienced trainer's ponytail may have sparked the whale's fatal attack

Breast Cancer Survival and Double Mastectomy
Since cancer in one breast tends to spread to the other, healthy breast, more and more women are choosing to remove both, just to be safe. But does such preventive surgery help survival?

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