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Those photos you post on Facebook could paint an accurate picture of your personality, new research on first impressions suggests.

WASHINGTON - Former President Bill Clinton knows just how high the political stakes are in the fight to overhaul America's health care system.

When it comes to financial matters, Americans are functionally illiterate.

Stock index futures are pointing to a lower open on Wall Street as the dollar, which powered Monday's huge rally, is little changed.

WASHINGTON - Abortion opponents in the Senate want tough restrictions in the health care overhaul bill, similar to the limits passed by the House this past weekend.

WASHINGTON - About a million Maclaren strollers sold by Target and Babies "R" Us were recalled Monday, after 12 reports of children having their fingertips amputated by a hinge mechanism.

TOKYO (AFP) - It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.

Helpful acts, such as grooming or foster parenting, are common throughout the animal kingdom, but accounts of animals rescuing one another from danger are exceedingly rare, having been reported in the scientific literature only for dolphins, capuchin monkeys, and ants. New research shows that in the ant Cataglyphis cursor, the behavior is surprisingly sophisticated.

LONDON - British candy maker Cadbury PLC rejected a renewed 9.8 billion pound ($16.4 billion) hostile bid from Kraft Foods Inc. on Monday after the U.S. company refused to sweeten a previous offer.

WASHINGTON — Off the coast of Washington state, mysterious algae mixed with sea foam have killed more than 8,000 seabirds, puzzling scientists. A thousand miles off California, researchers have discovered the Great Pacific Garbage Patch, a swirling vortex roughly twice the size of Texas filled with tiny bits of plastic and other debris.

NEW YORK/TORONTO (Reuters) - Mike Wilson, Steve Wilson and Mike Bennett are patient men.

Stock market volatility is back, a signal to some experts that the powerful rally that started in early March may be coming to an end.

Our goal as college professors is to open students minds to new experiences so they can grow intellectually while they mature through the traditional four-year process. But we are also challenged to give students the immediate skills they will need once they graduate so that they can begin their professional careers and move away from the fry-o-later to the cubicle and beyond.

NEW YORK (Reuters) - General Electric Co. and Comcast Corp have agreed on a valuation of around $30 billion for a joint venture between NBC Universal and Comcast, ironing out what has been a key obstacle in talks so far, a source familiar with the matter said on Sunday.

From their very first days, the cries of newborns already bear the mark of the language their parents speak, scientists now find.

(Reuters) - Stock index futures pointed to a lower open for U.S. shares on Tuesday, after they rose to a 13-month high in the previous session, on the G20's indications that economic stimulus would continue.

This Behind the Scenes article was provided to LiveScience in partnership with the National Science Foundation.

HELSINKI - Nokia Corp. announced Monday that some 14 million mobile phone chargers could be dangerous for users and said it will replace them free of charge.

NEW YORK - Based on the rhetoric, America's war on drugs seems poised to shift into a more enlightened phase where treatment of addicts gains favor over imprisonment of low-level offenders. Questions abound, however, about the nation's readiness to turn the talk into reality.

Recently excavated Mayan murals are giving archaeologists a rare look into the lives of ordinary ancient Maya.

WASHINGTON - Missed out on Cash for Clunkers? Congress has another deal for you: Buy a home before May 1 and collect up to $6,500 from the government. If you're a first-time homebuyer, get up to $8,000.

TRENTON, N.J. - Less than a month after buying Wyeth, drug giant Pfizer Inc. has mapped out a new structure for its research and development operations.

NEW YORK (Reuters) - Advanta Corp , a small business credit card lender in the United States, said on Sunday it filed for bankruptcy protection after the economic crisis over the last two years devastated its small business customers.

WASHINGTON - Can't pay the mortgage? You still might be able to stay in your home. Government-controlled mortgage company Fannie Mae is going to give borrowers on the verge of foreclosure the option of renting their homes for a year.

LONDON/CHICAGO (Reuters) - Kraft Foods Inc chief Irene Rosenfeld refused to sweeten her $16.2 billion offer for candy maker Cadbury Plc and took the bid directly to shareholders on Monday, setting the stage for a takeover battle that could last up to three months.

One day artificial penis tissue could be grown to help men, new findings in rabbits now suggest.

SAN FRANCISCO (Reuters) - Google Inc said on Monday that it was acquiring of AdMob, one of the largest mobile advertising networks, for $750 million, widening its bet that cell phone advertising could become the Internet's next-big money maker.

WASHINGTON - The Financial Industry Regulatory Authority on Wednesday said it barred a former registered representative based in California after he took part in insider trading earlier this year.

LONDON (AFP) - Gold prices hit a record high of 1,111.20 dollars an ounce on Monday in response to rising demand for the precious metal from emerging economies and a decline in the value of the dollar.

Editor's Note: This is Part 6 in a 10-part LiveScience series on the origin, evolution and future of the human species and the mysteries that remain to be solved.