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Leif A. Helseth
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Leif A. Helseth

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"Carl Sagan performs a thought experiment in flat-land, a two-dimensional fictional world, in order for us to better understand our four-dimensional Universe. He also discusses a four-dimensional hyper-cube, the tesseract. This clip is from Carl Sagan's Cosmos episode 10, "The Edge of Forever." "
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Don't care how many times I've seen it, I always +1 anything with Sagan.
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Leif A. Helseth

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Despite our best efforts, we're not always able to get a full night's rest. If you can't just fix your sleep problems, a quick nap might do the trick—but only if you time it just right.
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Interesting. Exactly when I feel I need a cat nap too. Between 1-3 pm.
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According to a new study, fewer conservatives than ever have a "great deal of trust" in science.
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I know. I did it on purpose.
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"Ronald D. Siegel, Psy.D., assistant clinical professor of psychology at Harvard Medical School and editor of Harvard Health Publication's special health report, Positive Psychology, discusses what it takes to be happy."
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Using a placebo pill appearing identical to the real thing, researchers have found that how the brain responds to antidepressant medication may be influenced by its remembering past antidepressant exp...
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Leif A. Helseth

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"This visualization shows ocean surface currents around the world during the period from June 2005 through December 2007."
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“In all affairs it’s a healthy thing now and then to hang a question mark on the things you have long taken for granted.”

- Bertrand Russell
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Which is why interacting with new people is so important.
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Young adulthood is a time when rates of mental health problems, substance use and sexually transmitted diseases often peak. But there are no clinical preventive guidelines to help physicians and young...
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Leif A. Helseth's +1's are the things they like, agree with, or want to recommend.
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