This Worm-y Critter Is (Probably) Our Oldest Ancestor | SciShow News

[♪ INTRO] Humans belong to a large and proud lineage of animals known as bilaterians. Bilaterian because we are all bilaterally symmetrical; you can draw a line down the middle of us and each half is basically a reflection of the other. Paleontologists have long suspected that our lineage arose more than 550 million years ago in the Ediacaran Period,…

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What Does Gum Disease Have to Do With Alzheimer’s?

[INTRO ♪] Regular brushing and flossing are vital to the health of your teeth and gums. We all know that—it’s been drummed into our heads since we first picked up a toothbrush. But brushing your teeth might not just be good for your oral health: It could help protect your brain, too. Because according to studies over the last few…

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Does The Birth Control Pill Cause Depression?

In September 2016, some researchers in Denmark published a huge study, with data from more than a million people over almost 20 years. What they found was a connection between women using hormonal birth control and taking antidepressants. Needless to say, it’s been making waves on the Internet, as reporters blast out headlines like “The Pill Causes Depression.” But like…

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Why Do Bats Carry So Many Dangerous Diseases?

[♪ INTRO] One fifth of all mammal species today are bats. And that’s awesome, because they help us out in all sorts of ways. Like, they pollinate a lot of plants, help regrow forests and control pests, and their poop is pretty excellent fertilizer. Plus, they’re just really cool. Some of them can sense magnetic fields, or use sound to…

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Hemispatial Neglect: When Half Your World Disappears

{♫Intro♫} Imagine sitting down to dinner, eating everything on the plate, and feeling half as full as usual. Or maybe going to shave, but weirdly enough, it takes half the time. Losing half of the world sounds like a weird, abstract dream state. But for those that develop hemispatial neglect, that’s exactly what happens, without them even realizing it. This…

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The Wild Reasons Many Older People Wake Up So Early

(intro music) It is a well-known stereotype that older people sleep less than younger folks, often rising at like, 4AM. But even though it’s a stereotype, there does seem to be some truth to this. Like, surveys have found that many seniors wake multiple times in the wee hours before finally rising at the crack of dawn. This doesn’t happen…

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The Dark History of Matches

[♩INTRO] In the mid-1800s, factories began mass-producing matches. Lots of them were hugely successful, and pretty soon, they were selling millions of matchboxes a year. And then the factory workers — many of whom were young women — started dying. The symptoms would often start with a toothache and jaw pain and then progress to tissue death. In some cases,…

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What if our Brains Communicated with each other? | #aumsum

It’s AumSum Time. What if our Brains Communicated with each other? Then everybody will know that I love chocolate milkshakes. Oh AumSum. Firstly, all of us would suddenly become psychic. Secondly, this will prove to be great news for deaf as well as dumb people. As they will be able to easily communicate with everybody. Thirdly, overtime, due to evolution,…

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Schizophrenia May Be an Autoimmune Condition

[ ♪INTRO ] The World Health Organization estimates that schizophrenia affects 20 million people worldwide. Other sources suggest that the actual number is three or more times that. And people with schizophrenia are two to three times more likely to die prematurely, largely because of preventable illnesses and suicide. So it’s considered a serious global health issue. Medications and treatment…

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6 Myths Debunked About The Human Body

The Human body is a marvel of natural evolution with an array of amazing and disgusting abilities, like did you know that humans are the only animals with chins or that on average you will pass enough wind in a day to inflate a party balloon. However, despite being around for nearly 200,000 years and being the most intelligent species…

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