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The highest natural ground surface temperature ever recorded may have been an alleged reading of 93.9 °C (201.0 °F) at Furnace Creek, California, United States, on 15 July 1972. [7] In 2011, a ground temperature of 84 °C (183.2 °F) was recorded in Port Sudan , Sudan. [ 8 ]
The Low Temperature Laboratory recorded a record low temperature of 100 pK, or 1.0 × 10 −10 K in 1999. [11] The current apparatus for achieving low temperatures has two stages. The first uses a helium dilution refrigerator to get to temperatures of millikelvins, then the next stage uses adiabatic nuclear demagnetisation to reach picokelvins ...
A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ m ə ˈ m eɪ l i. ə /).Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones.
However, the most kept pet species are mammals, namely dogs, cats, and rabbits. [191] [192] [193] There is a tension between the role of animals as companions to humans, and their existence as individuals with rights of their own. [194] A wide variety of terrestrial and aquatic animals are hunted for sport. [195]
From 2000 to 2004, 300 people died in Jharkhand, and in Assam, 239 people were reportedly killed between 2001 and 2006. [175] Throughout the country, 1,500 people were killed by elephants between 2019 and 2022, which led to 300 elephants being killed in kind. [ 178 ]
Birds figure throughout human culture. About 120 to 130 species have become extinct due to human activity since the 17th century, and hundreds more before then. Human activity threatens about 1,200 bird species with extinction, though efforts are underway to protect them. Recreational birdwatching is an important part of the ecotourism industry.
The average mass of an adult human is 59 kg (130 lb) for females and 77 kg (170 lb) for males. [161] [162] Like many other conditions, body weight and body type are influenced by both genetic susceptibility and environment and varies greatly among individuals. [163] [164] Humans have a far faster and more accurate throw than other animals. [165]
[38] [39] The woolly mammoth exhibited size variation throughout its range, with individuals from Western Europe being considerably larger (with adult males estimated to be on average 2.99–3.31 m (9 ft 10 in – 10 ft 10 in) tall and 5.2–6.9 t (11,000–15,000 lb) in weight) than those found in Siberia (with adult males of this population ...