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Use of LifeStraw. The original LifeStraw is a plastic tube 22 centimetres (8 + 5 ⁄ 8 in) long and 3 centimetres (1 + 1 ⁄ 8 in) in diameter. [8] Water that is drawn up through the straw first passes through hollow fibres that filter water particles down to 0.2 µm across, using only physical filtration methods and no chemicals.
The endurance running hypothesis is a series of conjectures which presume humans evolved anatomical and physiological adaptations to run long distances [1] [2] [3] and, more strongly, that "running is the only known behavior that would account for the different body plans in Homo as opposed to apes or australopithecines".
Humans are some of the best long distance runners in the animal kingdom; [6] some hunter gatherer tribes practice this form of hunting into the modern era. [7] [8] [9] Homo sapiens have the proportionally longest legs of all known human species, [3] [10] [11] but all members of genus Homo have cursorial (limbs adapted for running) adaptions not seen in more arboreal hominids such as ...
The authors conclude, "this study found evidence that humans can perform better than suggested by Matsuzawa in the limited-hold memory task. However, human performance is still below that of chimpanzees. This difference appears to stem from an inability to keep the location of symbols in working memory" [5]
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Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction. Originally thought to be a skill possessed only by humans, some tool use requires a sophisticated level of cognition. There is ...
Both women and men are capable of performing extraordinary feats, but there are some things the females of our species do better. Here are 7 of them, according to science. Number 7.
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