Your GIF Guide To How Muscles Work

How Muscles Work

Now that you know how they work, it’s time to actually use them. In 2011, the Centers for Disease Control found that barely 20% of Americans get recommended levels of exercise, and that over 25% of Americans don’t devote any time to physical activity. Meanwhile, obesity is increasingly becoming a national security issue.

Are You Smarter Than A Cetacean?

Before we delve into the meat of this issue, here are a couple of terms to familiarize yourself with.

Cetacean: the term “Cetacean” refers to the order of marine mammals ranging from the 200-ton blue whale, to the comparatively tiny 130-pound harbor porpoise, and everything in-between. Cetacea can be divided into two categories: toothed whales, whose best known members include dolphins, porpoises, narwhals, and orcas, and baleen whales like the humpback whale, right whale, and grey whale.

Cetacean Intelligence Chart

It doesn’t matter that you can’t read the species names. Just know that there are A LOT of different kinds of cetacea.
Frontiers Of Zoology

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What Is Cancer, Anyway?

Without a doubt, if you were to walk outside and ask someone, anyone on the street: Would you give 5 years of your life to cure cancer?, they’d invariably say Of course! But I have some unfortunate news for you- there is no one disease called “cancer”, and there won’t be just one cure.

Cancer is just a result of the way we’re built, and has hundreds of known environmental causes, from viruses to bacteria to exposure to chemicals. The root cause of cancer is something that can’t really be fixed, and it’s something we’re all susceptible to: clerical errors in our genetics.

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How Long Would You Last In Space Without A Space Suit?

It’s not necessarily one of life’s most burning questions, but it’s certainly interesting to consider. Exploring the mechanics of space and human biology, Today I Found Out provides an answer that is less “Gravity” and more grounded in reality.

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