There's nothing better on a cold day than a warm bowl of soup. But when did our ancestors first brew up this tasty broth? New archaeological evidence suggests that soup making could be tens of thousands of years old.
Building your own stuff boosts your feelings of pride and competence, and also signals to others that you are competent. As a result, most of us believe we labor on things we love. Now, psychologists are asking if it is the other way around — is it labor that leads to love?
Many of them have cut out smoking, and rates of heart attack and emphysema have declined. But baby boomers are burdened with diabetes, hypertension and many other chronic conditions. Researchers say too little exercise and a rise in obesity threaten baby boomers' golden years.
Some people with damage to a specific region of the brain called the amygdala go through life without feeling fear. Show them a scary movie and they won't scream. But breathing in air with lots of carbon dioxide can send them into a panic.
At the age of 23 and with only $30 in his pocket, Barrington Irving became the youngest person to fly around the world. Host Michel Martin talks to Irving about getting kids on board with math and science from a 'flying classroom.'
As more oil and gas drilling takes place in Pennsylvania, West Virginia and Ohio, there's more liquid waste that needs disposing. A proposal to carry that waste to disposal sites using river barges is getting attention. But some environmentalists say it's just too risky a way to transport the waste.
Wreckage believed to be from the 2011 Japanese tsunami is washing up thousands of miles away in Alaska. The debris isn't just unsightly — it poses environmental worries for the landscape and animals. One conservationist says the problem may be worse than the Exxon Valdez oil spill.
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