wereallyloveknowledge

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Micro-photography of individual snowflakes by Alexey Kljatov

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Caracal (Caracal caracal) and skeleton of a large large artiodactyl in the mammals collection.

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Actual Images from the HiRISE orbiter. Full catalog of thousands more here. The top one is the trails left by dust devils streaking across a dune…whaaaaaat?!

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‘How Do We Smell?’ by @TED_Ed A TED Ed lesson on our sense of smell and how it works. Lesson & Narration by Rose Eveleth; Animation by Igor Coric For more TED Ed check out their: Website, YouTube, Facebook, Twitter, Tumblr, Google+, Pinterest.  

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The Reagan Revolution: Crash Course US History #43 with @realjohngreen Crash Course episode on the Reagan Revolution and the question how much Ronald Reagan had to do with it. Hosted by John Green ( http://ift.tt/yL9CcR ) For more Crash Course go to:http://ift.tt/uE3ZV0http://ift.tt/AxrxRChttp://ift.tt/IE2lb6http://ift.tt/1j29uWH and support CrashCourse them on Subbable: http://ift.tt/1j29xBz

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The Science of Sleep – @SciShow with @hankgreen Hank explains how circadian rhythms work and why you should take a nap every now and then… Hosted by Hank Green (http://ift.tt/ORpUmE) For more SciShow check out their: YouTube, Facebook, Twitter, Tumblr, and support them on Subbable and through their Store.  

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60 Life Hacks Debunked by @mental_floss with @realjohngreen John Green and the Mental Floss team test 60 Life Hacks in these two videos: For more Mental Floss check out their: Website, YouTube, Facebook, Twitter, Google+, or support them through their Store.  

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Best picture on Tumblr. EVAR!

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I have a question about flu shots. With vaccines like MMR and polio, the communal immunity is pretty important. Is that the case with flu shots? Am I actually hurting the effectiveness of flu shots per year when I don't get one? I work in a contained space with limited public interaction, so in the grand scheme, I feel like it's a waste of time to get a shot that protects against a well-researched guess as to this year's most likely flu viruses. Sorry if I've worded this poorly.

Yes and No. If there were anything like enough people getting flu shots to approach herd immunity, then it would be a disservice for you to not get a flu shot. But that is in the case, so you shouldn’t worry about it.

Studies have been done in which large percentages of school children were immunized and it decreased the hospitalization (and deaths) of many older people. It turns out that immunizing children against the flu is actually more effective at keeping elderly people healthy than immunizing elderly people.

Two reasons for this:

Elderly people have crappy immune systems and so the most effective way to keep them healthy is to prevent them from being exposed in the first place

Children are DISEASE FACTORIES! They go to little communal disease-sharing facilities called schools and spread each-other’s boogers in their eyeballs because they are disgusting.

The moral of the story is…children kill old people.

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TED Ed: Should we eat bugs? – Emma Bryce TED Ed video on why we don’t eat bugs (any more) and why we, maybe, should give them a try: Lesson by Emma Bryce, narration by Addison Anderson, animation by NEIGHBOR. For more TED Ed check:http://ed.ted.com/http://ift.tt/1cF07DGhttp://ift.tt/1cF04YDhttp://ift.tt/1cF04YEhttp://ift.tt/1lt0f1b

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Pi is Beautiful – @Numberphile James shows (and explains) us some wonderful art by artists Martin Krzywinski and Cristian Ilies Vasile based on the number Pi. I think it’s pretty (granted I’ve always been a fan of both Pi and art), I think the simple dotted pictures are my favourites but I can’t decide which one of them I like the most…

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NASA Sends Out of This World New Year’s Greeting in Times Square

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Mickeleh Reviews Gravity (The Scientific Theory, Not the Movie) Great video explaining gravity and it’s history from Aristotle to Sir Isaac Newton.

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Sexplanations: Paraphilias What are paraphilias? Are they healthy or disordered? What are the most common paraphilias? This and more in Sexplanations with Dr. Doe. (Also: Poor Stefan…)

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This Video Will Hurt by CGPGrey CGPGrey will make you hurt. Or believe. Or believe in hurt. Or hurt in believing? Okay, now I confused myself. And my head hurts. Or does it?

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SciShow: Why Do We Burp and Fart (So Much)?! Just in time for your Christmas meal: Hank Green explains why we burp and fart as much as we do… Source: http://ift.tt/1eErUvF