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Humans adapted to heat early on. In Africa, the climate selected for traits that helped them stay cool. Also, humans had physiological mechanisms that reduced the rate of metabolism and that modified the sensitivity of sweat glands to provide an adequate amount for cooldown without the individual becoming dehydrated. [17] [20]
22 May – A study quantifies "the human cost of global warming", showing current policies "leading to around 2.7 °C global warming could by 2080–2100 leave one-third (22–39%)" of people outside their climate niche (see also 4 May 2020) – humans' long-time range of mean annual temperatures to which their physiology may have largely ...
This timeline lists significant discoveries in physics and the laws of nature, including experimental discoveries, theoretical proposals that were confirmed experimentally, and theories that have significantly influenced current thinking in modern physics. Such discoveries are often a multi-step, multi-person process.
'Wet-bulb' temperature records show that deadly thresholds for heat and humidity are arriving faster than anticipated. Global warming now pushing heat into territory humans cannot tolerate Skip to ...
Elon Musk's startup Neuralink implants their first microchip into a human brain. [68] A robotic sensor able to read braille with 87.5% accuracy and at twice the speed of a human is demonstrated. [69] 31 January – NASA reports the discovery of a super-Earth called TOI-715 b, located in the habitable zone of a red dwarf star about 137 light ...
The criteria for this list is that the technology must: Exist in some way; purely hypothetical technologies cannot be considered emerging and should be covered in the list of hypothetical technologies instead. However, technologies being actively researched and prototyped are acceptable. Have a Wikipedia article or adjacent citation covering them.
As in other mammals, human thermoregulation is an important aspect of homeostasis. In thermoregulation, body heat is generated mostly in the deep organs, especially the liver, brain, and heart, and in contraction of skeletal muscles. [1] Humans have been able to adapt to a great diversity of climates, including hot humid and hot arid.
2001: The first draft of the Human Genome Project is published. [131] 2003: Grigori Perelman presents proof of the Poincaré Conjecture. 2003: The Human Genome Project sequences the human genome with a 92% accuracy. [132] 2004: Ben Green and Terence Tao announce their proof on arithmetic progressions in prime numbers known as the Green–Tao ...