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Tuatara are of interest for studying the evolution of reptiles. Tuatara are greenish brown and grey, and measure up to 80 cm (31 in) from head to tail-tip and weigh up to 1.3 kg (2.9 lb) [10] with a spiny crest along the back, especially pronounced in males. They have two rows of teeth in the upper jaw overlapping one row on the lower jaw ...
The tuatara has an average total length of 34.8 and 42.7 centimetres (13.7 and 16.8 in) for females and males respectively. [28] Clevosaurus sectumsemper has an estimated total length of 12 centimetres (4.7 in), [ 29 ] while large individuals of the largest known terrestrial sphenodontian, Priosphenodon avelasi reached total lengths of just ...
The film centred around a video game, where the characters, G.One and Ra.One takes physical form and enters the real world. Shah Rukh Khan plays a dual role in the film as Shekhar Subramaniam and G.One. Khan was de-aged for the part of G.One to make him look like a video game character. 2011 Hugo
Scientists in Beijing may be one step closer to having the answer to living longer and reversing the effects of ageing. A group of biologists at the Chinese Academy of Sciences say they have ...
After age 30, the mass of the human body is decreased until 70 years and then shows damping oscillations. [24] People over 35 years of age are at increasing risk for losing strength in the ciliary muscle of the eyes, which leads to difficulty focusing on close objects, or presbyopia. [27] [28] Most people experience presbyopia by age 45–50. [29]
The anti-aging movement is a social movement devoted to eliminating or reversing aging, or reducing the effects of it. [1] [2] A substantial portion of the attention of the movement is on the possibilities for life extension, but there is also interest in techniques such as cosmetic surgery which ameliorate the effects of aging rather than delay or defeat it.
Mechanistic evidence was provided by Denham Harman's free radical theory of aging, created in the 1950s. This theory stated that organisms age over time due to the accumulation of damage from free radicals in the body. [4] It also showed that metabolic processes, specifically the mitochondria, are prominent producers of free radicals. [4]