Science

4:36pm

Wed February 6, 2013
Shots - Health News

Debate Rages On Even As Research Ban On Gun Violence Ends

Originally published on Wed February 6, 2013 6:12 pm

More than 400 guns, including these three, were turned in during a Dallas gun buyback program in January. But determining the effectiveness of such programs is difficult due to limits on gun-related research.
Tom Pennington Getty Images

The characteristics of gun violence in the U.S. are largely unknown because key federal health agencies have been banned from conducting such research since the mid-1990s.

President Obama, however, wants to change that.

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1:06pm

Wed February 6, 2013
The Salt

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

Originally published on Mon February 11, 2013 4:36 pm

The tradition of making soup is probably at least 25,000 years old, says one archaeologist.
iStockphoto.com

Soup comes in many variations — chicken noodle, creamy tomato, potato and leek, to name a few. But through much of human history, soup was much simpler, requiring nothing more than boiling a haunch of meat or other chunk of food in water to create a warm, nourishing broth.

So who concocted that first bowl of soup?

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2:55am

Wed February 6, 2013
Research News

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

Originally published on Wed February 6, 2013 10:51 am

Building your own stuff boosts your feelings of pride and competence, and also signals to others that you are competent.
iStockphoto.com

Have you ever spent a couple of hours working on a craft project — or a presentation for work — and then fallen in love with what you've accomplished? Do the colors you've picked for your PowerPoint background pop so beautifully that you just have to sit back and admire your own genius?

If so, get in line: You're the latest person to fall victim to the Ikea Effect.

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4:19pm

Tue February 5, 2013
Shots - Health News

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

Originally published on Wed February 6, 2013 10:39 am

Human sperm race to fertilize an egg.
David M. Phillips Science Source

Guys, it may be time to get off the couch and hit the treadmill — especially if you want to have kids.

Okay, we all know that exercise is good for us. It can reduce the risk of obesity, diabetes and heart disease, to name a few benefits. Now researchers say physical activity may also help keep sperm healthy and happy.

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2:13pm

Tue February 5, 2013
Krulwich Wonders...

Dinosaurs With Attitude

Courtesy of Julius T. Csotonyi

Come on, this isn't serious, is it? There was an animal that looked like this?

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12:14pm

Tue February 5, 2013
13.7: Cosmos And Culture

Super Bowl Power Loss: A PSA From The Cosmos

Things go dark in the Louisiana Superdome during Super Bowl XLVII.
Mike Ehrmann Getty Images

It was a Super Bowl moment like no other. Thousands of fans packing a modern gladiatorial arena, millions more watching on TV screens across the nation and Beyoncé had just reminded us of why she is, well, Beyoncé. The second half play was just getting going.

And then the power failed.

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5:55pm

Mon February 4, 2013
Shots - Health News

Aging Poorly: Another Act Of Baby Boomer Rebellion

Originally published on Wed February 6, 2013 10:40 am

Health researchers say the proportion of people in their late 40s to 60s with diabetes, hypertension or obesity has increased over the past two decades.
iStockphoto.com

Baby boomers have a reputation for being addicted to exercise and obsessed with eating well.

But that story didn't jibe with what physician Dana E. King and his colleagues see walking through the door of their family practice every day in Morgantown, W.Va.

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4:53pm

Mon February 4, 2013
13.7: Cosmos And Culture

Speaking Out About Women And Power

Originally published on Mon February 4, 2013 5:20 pm

After decades in the public spotlight, Hillary Clinton gets the last laugh as a master of public speaking.
Mandel Ngan AFP/Getty Images

Last week Hillary Clinton stepped down from her position as secretary of state amidst speculation about whether she'll consider a 2016 bid for the presidency. For decades Clinton has embodied the conflicted status of women in power, with very public roles as a wife, mother and first lady, two terms in the Senate and four years as secretary of state.

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2:21pm

Mon February 4, 2013
Shots - Health News

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

Originally published on Wed February 6, 2013 10:39 am

Movies like The Shining frighten most of us, but some brain-damaged people feel no fear when they watch a scary film. However, an unseen threat — air with a high level of carbon dioxide — produces a surprising result.
Warner Bros. Photofest

In shorthand often used to describe the brain, fear is controlled by a small, almond-shaped structure called the amygdala.

But it's not quite that simple, as a study published Sunday in Nature Neuroscience demonstrates.

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11:27am

Mon February 4, 2013
NPR Story

African Americans Fly High With Math And Science

Originally published on Mon February 4, 2013 12:48 pm

Barrington Irving , a 23-year-old Jamaican-born pilot, at a news conference at Opa-locka Airport Wednesday, June 27, 2007, ending a three-month journey he said would make him the youngest person to fly around the world alone.
Alan Diaz AP

This Black History Month, Tell Me More is taking a look at African Americans in the STEM fields (science, technology, engineering and math) who are inspiring future generations.

Today, Barrington Irving shares how his sky high dreams became a reality. A chance encounter in his parents' bookstore put him on a path that would make him the youngest person and first African American to fly solo around the world.

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