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Akinetopsia (from Greek akinesia 'absence of movement' and opsis 'seeing'), [1] also known as cerebral akinetopsia or motion blindness, is a term introduced by Semir Zeki to describe an extremely rare neuropsychological disorder, having only been documented in a handful of medical cases, in which a patient cannot perceive motion in their visual field, despite being able to see stationary ...
A white-headed dwarf gecko with tail lost due to autotomy. Autotomy (from the Greek auto-, "self-" and tome, "severing", αὐτοτομία) or 'self-amputation', is the behaviour whereby an animal sheds or discards an appendage, [1] usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape.
Escape response in Antarctic krill.. Escape response, escape reaction, or escape behavior is a mechanism by which animals avoid potential predation.It consists of a rapid sequence of movements, or lack of movement, that position the animal in such a way that allows it to hide, freeze, or flee from the supposed predator.
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An endangered fish found off the coast of Florida is exhibiting strange behavior, including "spinning and whirling." The government is mounting an emergency response.
The Deathbowl is populated by creatures which will try to stop Sweevo from carrying out his task. The Deathbowl is constructed of several superimposed levels and Sweevo can travel between them by riding bubbles or diving into whirlpools. Sweevo begins to rust as soon as he enters the water and must complete his mission before he becomes ...
This week, learn why Greenland sharks can live for centuries, discover when Neanderthals and humans met, see the most volcanic world in our solar system, and more. An elusive creature of the deep ...
Animals may be fixed in place, allowing them to move while remaining stationary relative to their environment. Tethered animals can be lowered onto a treadmill to study walking, [36] suspended in air to study flight, [39] or submersed in water to study swimming. [40] A fruit fly, Drosophila melanogaster, tethered and walking on a spherical ...