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An often-mentioned statement is that "bats can eat 1000 mosquitoes per hour." [37] [38] [39] While the little brown bat does consume mosquitoes and has high energetic needs, the study that is the basis for this claim was an experiment in which individuals were put into rooms full of either mosquitoes or fruit flies.
The first recorded human exposure was undertaken in 1910 by Bornstein when two men breathed oxygen at 2.8 bar (280 kPa) for 30 minutes, while he went on to 48 minutes with no symptoms. In 1912, Bornstein developed cramps in his hands and legs while breathing oxygen at 2.8 bar (280 kPa) for 51 minutes. [ 3 ]
The human brain contains 86 billion neurons, with 16 billion neurons in the cerebral cortex. [ 2 ] [ 1 ] Neuron counts constitute an important source of insight on the topic of neuroscience and intelligence : the question of how the evolution of a set of components and parameters (~10 11 neurons, ~10 14 synapses) of a complex system leads to ...
This article describes characters, which includes a diverse cast of alien, human and synthetic beings, that appear in video games set in the Mass Effect universe. [1] This list only includes player characters, squad members, major antagonists, and other notable characters that appear in the games.
Honor cultures pervade in places of economic vulnerability and with the absence of the rule of law, where law enforcement cannot be counted on to protect them. People then resort to their reputations to protect them from social exploitation and a man must "stand up for himself" and not rely on others to do so. [103]
The human activities causing this warming include fossil fuel combustion, cement production, and land use changes such as deforestation, [3]: 10–11 with a significant supporting role from the other greenhouse gases such as methane and nitrous oxide. [1]: 7 This human role in climate change is considered "unequivocal" and "incontrovertible".
Human evolutionary genetics studies how one human genome differs from another human genome, the evolutionary past that gave rise to the human genome, and its current effects. Differences between genomes have anthropological , medical , historical and forensic implications and applications.
The San are the pre-Bantu indigenous people of southern Africa, while Pygmies are the pre-Bantu indigenous African peoples of Central Africa. [ 51 ] The peoples of West Africa primarily speak Niger–Congo languages belonging mostly, though not exclusively, to its non- Bantu branches, though some Nilo-Saharan and Afroasiatic -speaking groups ...