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Yonta, 6, rests with her sister Montra, 3, and her brother Leakhena, 4 months, under a mosquito bed net in the Pailin province of Cambodia, where the mortality rate from malaria has dropped sharply in the past two decades.

Why Ending Malaria May Be More About Backhoes Than Bed Nets

Malaria remains one of the deadliest diseases worldwide. But the U.S. successfully wiped out the mosquito-borne parasite from the American South in the early part of the 20th century. One researcher thinks this successful campaign offers lessons for how to stop malaria worldwide.

How Well Do Tech Companies Protect Your Data From Snooping?

We looked at 15 top companies and services that handle your email or store your data every day to see what steps they take to keep it from prying eyes. See how they stack up.

The EPA is proposing rules that would govern carbon dioxide gas emissions by U.S. power plants. Here, coal is transported via conveyor belt to the coal-fired Jim Bridger Power Plant outside Point of the Rocks, Wyo., in March.

EPA Unveils New Proposal Targeting Greenhouse Gases

The draft proposal from the Environmental Protection Agency has sparked opposition from industry groups who say the changes would be prohibitively expensive.

Can you name the 10 emotions conveyed above? The first six are basic emotions. The last four are complex emotions that combine two of the basic ones. (Check at the bottom for the answers.)

How Your Face Shows Happy Disgust

Scientists are studying the way we show complex emotions. It turns out we're better at it than was previously thought, mixing and matching basic expressions with sophistication — and consistency.

Frustration with Chicago Mayor Rahm Emanuel has fueled speculation about a challenge from Cook County Board President Toni Preckwinkle.

Chicago Mayor Could Face Tough Re-Election Challenge

Will Chicago Mayor Rahm Emanuel, a former top aide to President Obama, find himself facing a challenge from another politician who was once close to Obama?

Who will win? Videogame maker EA Sports says its Madden NFL 25 predicts an overtime thriller in Sunday's Super Bowl, with Denver edging Seattle. Here, Seahawks coach Pete Carroll, left, and Broncos coach John Fox are seen in a composite image.

Spoiler Alert? 'Madden NFL 25' Predicts Super Bowl Outcome

EA Sports' Madden game franchise is 8-2 in recent Super Bowl predictions. The game maker is predicting a thriller on Sunday — and happy Denver fans next Monday.

Hagel Concerned By Ethical Lapses In Armed Forces

Scandals seem to be popping up almost weekly in the military: Air Force missile officers cheating on exams. Army officers getting kickbacks. Navy instructors sharing test results. Defense Secretary Chuck Hagel has ordered some reviews of the nuclear force, and asked for an update on ethics teaching at military schools.

Aerial Skiing Is A Game Of Skill — And Strategy

The Olympic sport is like gymnastics in the air, but in the final few rounds, aerialists can't use the same trick twice. Come go time, they have to figure out which trick to do, based on what their competitors have just done.

The brain edits memories of the past, updating them with new information. Scientists say this may help us function better in the present. But don't throw those photos away.

Our Brains Rewrite Our Memories, Putting Present In The Past

Even people with good memories can have a hard time remembering the past accurately. That may be because the brain is constantly editing memories, updating them with current information. This may make good evolutionary sense. But it also means that some of your cherished memories may be wrong.

Why Dividends, Capital Gains Are Big Part Of Fiscal Cliff Talks

The tax code has long favored investment income over the money you get in your paycheck. But today's rates on dividends and capital gains are especially low, dating to tax cuts installed under President George W. Bush. And they're one target in the talks to avert a so-called fiscal cliff.

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