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Archive for the tag “Hank Green”

02 Oct 2012

Carry On, Doctor Blackburn

In this edition of the SciShow, Hank Green profiles Elizabeth Blackburn, the Australian Nobel Prize-winning scientist who is one of only 16 women to receive the coveted award over the last century. Born in Hobart, Tasmania, Blackburn has specialized in studying the process of aging at the genetic level, most recently at the University of California at San Francisco. Along with two other colleagues, she discovered an enzyme called telomerase that helps to protect our chromosomes from damage. For her efforts, she won the 2009 Nobel Prize in Physiology or Medicine.

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30 Sep 2012

Don’t Try This At Home

Unless you want to possibly visit an emergency room, don’t try the cinnamon challenge at home. What’s the cinnamon challenge?  You have to take one tablespoon of cinnamon and swallow it within one minute without the aid of water. Hank Green from the SciShow explains why the challenge is practically impossible, and also wonders why anyone would incur the risk — when there are already some 30,000 cinnamon challenge videos on YouTube that you can safely watch without presenting a hazard to your own health.

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28 Sep 2012

The Science of Dreaming

Why are dreams so weird? Are they always sexually motivated as Sigmund Freud believed? In a new episode of SciShow, Hank Green delves into the science behind dreams and says they aren’t as disjointed or disconnected from our waking life as we might think. Through dreams, our mind draws connections and creates narratives for our emotions. Dreams also can help us solve problems, from prosaic tasks like assembling puzzles to more complex mental acrobatics.

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21 Sep 2012

Oxygen Is Killing You

Without oxygen, we’d all be toast. But while it’s an essential element to life, oxygen does cause internal degradation in our bodies. One of the more common effects, called oxidative stress, is believed to contribute to aging. Oxidative stress is similar to the rust you see in metals, a process also unleashed when the metals come in contact with oxygen. Hank Green explains what’s afoot with the Big “O,” and we’re not talking about Obama, in this case. H/T SciShow

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17 Sep 2012

Drunken Pigs Living High Life

In a breaking news from the world of science, the SciShow’s Hank Green updates us on:

  • The development of a new vaccine for dengue fever, a mosquito-borne disease that afflicts millions living in tropical nations.
  • The discovery of a previously unknown monkey species living in the remote jungles of the Democratic Republic of the Congo.
  • And a lab experiment where some lucky pigs got to swill down booze in the name of science.

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06 Sep 2012

Are There Aliens Among Us?

Microscopic tardigrades, or “water bears,” are the only animals that can withstand the extreme temperatures and conditions found in the vacuum of outer space. This raises the question: Did they evolve on Earth or migrate here from elsewhere in the universe? H/T Vice

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Hank Green, the host of the SciShow, calls tardigrades “the toughest animal on the planet,” and explains why NASA and the European Space Agency have fallen in love with these extremophiles.

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