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Human bone is stronger than steel

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Your bones are incredibly strong. Ounce for ounce, bone is stronger than steel. One cubic inch of bone can withstand the weight of five standard pickup trucks, give or take a few pounds. If you’re looking for the specifics to snap a piece of your skeleton, it takes about 4,000 newtons of force to break the typical human femur. But don’t run out and start applying pressure to femurs and then get upset at us when things don’t crack correctly. A lot depends on the bone itself, its position in the body, and the angle of attack. The age, diet, and lifestyle of the bone-owner also plays a role. Before you go all Chuck Norris on bystanders to try this yourself.
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List of particles

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Elementary particles are particles with no measurable internal structure; that is, they are not composed of other particles. They are the fundamental objects of quantum field theory . Many families and sub-families of elementary particles exist. Elementary particles are classified according to their spin . Fermions have half-integer spin while bosons have integer spin. All the particles of the Standard Model have been experimentally observed, recently including the Higgs boson . [1] [2] Fermions Main article: Fermion Fermions are one of the two fundamental classes of particles, the other being bosons . Fermion particles are described by Fermi–Dirac statistics and have quantum numbers described by the Pauli exclusion principle . They include the quarks and leptons, as well as any composite particles consisting of an odd number of these, such as all baryons and many atoms and nuclei. Fermions have half-integer spin; for all known elementary fermions this is   1 ⁄ 2 . All know...
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11 Grammar Rules That Make No Sense

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When you first learn the rules for English grammar in elementary school, you find there a lot of don’ts: Don’t end a sentence with a preposition; don’t begin a sentence with because . But as you become a more sophisticated writer (and reader), you realize that many of these so-called “rules” are really more like guidelines, and are better ignored. 1. DON’T SPLIT INFINITIVES. The rule says nothing should come between the to and its verb in the infinitive, which makes “to boldly go where no one has gone before” incorrect. (According to the rule it should be “to go boldly” instead.) But the placement of the adverb is more a matter of style than grammar, and often the split sounds way better. Almost all style guides agree. 2. DON’T END A SENTENCE WITH A PREPOSITION. It’s a good idea to remove the final preposition from a sentence like “Where is he going to?” But modern style guides see nothing wrong with a sentence like “This picture is lovely to look at.” Even “Which student did he ...
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