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Silica Rule Changes Delayed While Workers Face Health Risks

Regulations to restrict the amount of silica dust that workers can inhale was set decades ago, and workplace safety experts say that limit needs to be cut in half. A proposal for new rules was sent to the White House Office of Management and Budget for a 90-day review, but almost two years later, it's still under review.
NPR

Debate Rages On Even As Research Ban On Gun Violence Ends

President Obama has ordered an end to a 16-year-old ban on federal funding of research on guns and health. But the political controversy that led to the ban in the first place continues to rage on.
NPR

Stone Age Stew? Soup Making May Be Older Than We'd Thought

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.
WAMU 88.5

The Up And Downside Of Fear

Fear prompts a reaction that can be a literal lifesaver in the face of real danger, but that hinders the millions who struggle with anxiety disorders. We learn more about our most primal emotion.

NPR

Why You Love That Ikea Table, Even If It's Crooked

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?
NPR

Exercise Can Be Good For The Heart, And Maybe For Sperm, Too

A study finds that guys who watched a lot of TV had lower sperm counts than more active fellows. The effect held true even when other factors, such as body weight and diet, were taken into account.
NPR

Aging Poorly: Another Act Of Baby Boomer Rebellion

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.
NPR

Scientists Find A Way To Scare Patients Who Can't Feel Fear

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.
NPR

African Americans Fly High With Math And Science

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.'

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