Do you know what caused soldiers to stop wearing chainmail and steel plate armor? Evolution.
Evolution
Feb 26, 2018
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224
"Many plants require nitrogenous soil to grow. However, these soils are not available in all regions. Some species therefore form a symbiosis with soil bacteria, allowing them to bind nitrogen from the air", explains Professor ...
Plants & Animals
Mar 19, 2015
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15
(PhysOrg.com) -- Houndstongue--also known as beggar's lice, dog's tongue, sheep bur and woolmat--is not only a general nuisance to those of you who find its sticky seeds stuck in your shoelaces or the hair of your dogs and ...
Other
May 28, 2009
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