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On the other hand, a "normal" temperature may be a fever, if it is unusually high for that person; for example, medically frail elderly people have a decreased ability to generate body heat, so a "normal" temperature of 37.3 °C (99.1 °F) may represent a clinically significant fever.
A gun dog retrieving a duck during a hunt. People have used hunting dogs to help chase down and retrieve animals, [183] and birds of prey to catch birds and mammals, [184] while tethered cormorants have been used to catch fish. [185] Poison dart frogs have been used to poison the tips of blowpipe darts.
Illustration of grief from Charles Darwin's 1872 book The Expression of the Emotions in Man and Animals. Human motivation is not yet wholly understood. From a psychological perspective, Maslow's hierarchy of needs is a well-established theory that can be defined as the process of satisfying certain needs in ascending order of complexity. [317]
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.
The record cold maximum is 4 °F (−16 °C) on December 22, 1989 (during the December 1989 United States cold wave). The record warm minimum is 84 °F (29 °C) on July 29, 1924. [34] The hardiness zone is 7a.
With the advent of scientific interest in birds, many paintings of birds were commissioned for books. [ 316 ] [ 317 ] Among the most famous of these bird artists was John James Audubon , whose paintings of North American birds were a great commercial success in Europe and who later lent his name to the National Audubon Society . [ 318 ]
In 2005, the estimated adult HIV prevalence rate in Myanmar was 1.3% (200,000–570,000 people), according to UNAIDS, and early indicators of any progress against the HIV epidemic are inconsistent. [ 356 ] [ 357 ] [ 358 ] However, the National AIDS Programme Myanmar found that 32% of sex workers and 43% of intravenous drug users in Myanmar have ...
The Himalayas prevent cold Central Asian katabatic winds from blowing in, keeping the bulk of the Indian subcontinent warmer than most locations at similar latitudes. [ 190 ] [ 191 ] The Thar Desert plays a crucial role in attracting the moisture-laden south-west summer monsoon winds that, between June and October, provide the majority of India ...