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The brain is enclosed within the skull. There are 22 bones in the human head. The head rests on the neck, and the seven cervical vertebrae support it. The human head typically weighs between 2.3 and 5 kilograms (5.1 and 11.0 lb) Over 98% of humans fit into this range. There have been odd incidences where human beings have abnormally small or ...
Size compared to a human. Gallimimus is the largest known member of the family Ornithomimidae. The adult holotype (specimen IGM 100/11) was about 6 metres (20 ft) long and 1.9 metres (6.2 ft) tall at the hip; its skull was 330 millimetres (1.08 ft) long and the femur (thigh bone) was 660 millimetres (2.17 ft). It would have weighed about 400 ...
Today, the Fayyum region is located in the middle of the Sahara and is characterized by an desert climate with an average annual temperature of around 22 °C with absolute maximum values around 49 °C and minimum values around -1 °C. The annual precipitation is only 10 mm and is largely limited to the winter half-year, while the evaporation ...
July 2024 was the hottest month ever recorded in Death Valley, with a mean daily average temperature over the month of 108.5 °F (42.5 °C). [34] Four major mountain ranges lie between Death Valley and the ocean, each one adding to an increasingly drier rain shadow effect, and in 1929, 1953, and 1989, no rain was recorded for the whole year. [20]
Group hunting of individuals of at least 3.5 m (11 ft) and 70 kg (150 lb), if proven, could have killed 8 m (26 ft) prey of a weight of 1 to 2 t (0.98 to 2.0 long tons; 1.1 to 2.2 short tons). Additionally, sauropods ranging around 20 m (66 ft) may have been an important part of its diet. [ 1 ]
The fossil is the remains of a small-brained 50-kilogram (110 lb) female, nicknamed "Ardi", and includes most of the skull and teeth, as well as the pelvis, hands, and feet. [16] It was discovered in Ethiopia's harsh Afar desert at a site called Aramis in the Middle Awash region. Radiometric dating of the layers of volcanic ash encasing the ...
Coelophysis (/ s ɛ ˈ l ɒ f ɪ s ɪ s / se-lOF-iss-iss traditionally; / ˌ s ɛ l oʊ ˈ f aɪ s ɪ s / SEL-oh-FY-siss or / ˌ s iː l oʊ ˈ f aɪ s ɪ s / SEE-loh-FY-siss, as heard more commonly in recent decades [3]) is a genus of coelophysid theropod dinosaur that lived approximately 215 to 208.5 million years ago during the Late Triassic period from the middle to late Norian age in what ...
Death Valley is the fifth-largest American national park and the largest in the contiguous United States. It is also larger than the states of Rhode Island and Delaware combined, and nearly as large as Puerto Rico. [10] In 2013, Death Valley National Park was designated as a dark sky park by the International Dark-Sky Association. [11]