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Greater wax moths have evolved the ability to hear sounds at frequencies even their predators can't detect.

  • Added: May 20, 2013
  • Length: 01:00
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Fluoride protects teeth in surprising ways.

  • Added: May 20, 2013
  • Length: 01:00
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Seabirds and their eggs help scientists track global pollution.

  • Added: May 20, 2013
  • Length: 01:00
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Our eyes’ ability to detect color deteriorates with age, but our brains compensate.

  • Added: May 20, 2013
  • Length: 01:00
Caption: Marinda Wu
Marinda Wu chose her particular graduate program because she wanted to work for a famous professor. But when she arrived, she was told the professo...

  • Added: May 20, 2013
  • Length: 04:00
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Unborn baby sharks gobble up their brothers and sisters in the womb.

  • Added: May 17, 2013
  • Length: 01:00
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Electrical stimulation to the brain can improve math performance.

  • Added: May 16, 2013
  • Length: 01:00
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"Can you imagine going through America at that time, a man of color, a little boy, 14 years old, that height? You know, I was looked upon as a frea...

  • Added: May 16, 2013
  • Length: 04:50
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Cyclists share their outrage, amusement, and curiosity about the litter that ends up in their bicycle baskets.

  • Added: May 14, 2013
  • Length: 03:53
Caption: Lou Karsen and Tracy Rector, Co-Directors of Clearwater
An interview with Seminole filmmaker Tracy Rector, Producer of March Point.

  • Added: May 14, 2013
  • Length: 14:44
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Despite the serious risk of melanoma, indoor tanning remains alarmingly popular, especially among young women.

  • Added: May 13, 2013
  • Length: 01:00
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Vervet monkeys usually adopt the food preferences of whatever social group they join.

  • Added: May 13, 2013
  • Length: 01:00
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Humans were polluting the air with lead as far back as 3,900 years ago.

  • Added: May 13, 2013
  • Length: 01:00
Caption: Bevin Parks
Women chemists who are also trying to raise a family can get a lot of heat, even from other women, says Bevin Parks. It helps, she says, to get to ...

  • Added: May 13, 2013
  • Length: 04:12
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The compound eyes of insects have inspired the design of a new camera.

  • Added: May 12, 2013
  • Length: 01:00
Caption: Customers
We all know how sweet it is when our appetites are satisfied, but what's it like to be a satiator?

  • Added: May 10, 2013
  • Length: 02:53
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Climate change could make snowshoe hare camouflage less protective.

  • Added: May 06, 2013
  • Length: 01:00
Caption: Isabel Escobar
In the face of harassment, Isabel Escobar learned the hard-earned lesson of standing up for herself. From men assuming she had a temper and could “...

  • Added: May 06, 2013
  • Length: 04:36
Caption: Kathryn Lysko
When Kathryn Lysko began her undergraduate work, there were 15,000 men and 100 women in her entire college. She talks about the camaraderie that em...

  • Added: May 01, 2013
  • Length: 04:15
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Researchers are using extremely cold temperatures to treat pain and cancer.

  • Added: Apr 30, 2013
  • Length: 01:00
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A fun video game teaches college-level computer programming skills to 10-year-olds.

  • Added: Apr 30, 2013
  • Length: 01:00
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“Nanosponges” in the bloodstream could mop up toxins from bacteria, bees, or snakes.

  • Added: Apr 30, 2013
  • Length: 01:00
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Giant East African land snails are wreaking havoc in South Florida.

  • Added: Apr 30, 2013
  • Length: 01:00
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If we gave our coastlines an environmental report card, what grade should they get? Surprise! There IS a report, and it gives our coasts about a gr...

Bought by KKRN


  • Added: Apr 27, 2013
  • Length: 01:30
  • Purchases: 1
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What's a significant threat to the survival of captive gorillas? Surprisingly it's heart disease.

Bought by KKRN


  • Added: Apr 27, 2013
  • Length: 01:30
  • Purchases: 1