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Holes is a 1998 young adult novel written by Louis Sachar and first published by Farrar, Straus and Giroux.The book centers on Stanley Yelnats, who is sent to Camp Green Lake, a correctional boot camp in a desert in Texas, after being falsely accused of theft.
Fish retinas generally have both rod cells and cone cells (for scotopic and photopic vision ), and most species have colour vision. Some fish can see ultraviolet and some are sensitive to polarised light . Among jawless fishes, the lamprey [ 1] has well-developed eyes, while the hagfish has only primitive eyespots. [ 2]
This is a list of The Smurfs characters appearing in the original comics, the 1980s cartoon and the 2011 movie (as well as its sequels), and the 2021 reboot. [1]The Smurfs were also sold as collectible toys, and many of these characters were ideal from manufacturing and marketing points of view in that they had the same basic body plan but could be differentiated by one or two distinguishing ...
Hearing, vibration, and the lateral line. Hearing is an important sensory system for most species of fish. For example, in the family Batrachoididae, males use their swim bladders to make advertisement calls which females use to localize males. Hearing threshold and the ability to localize sound sources are reduced underwater, in which the ...
While research indicates that fish oil supplements don’t lower the risk of heart disease, people who eat seafood rich in omega-3s one to four times a week are less likely to die of heart disease ...
Batoidea is a superorder of cartilaginous fishes, commonly known as rays. They and their close relatives, the sharks, compose the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 families. Rays are distinguished by their flattened bodies, enlarged pectoral fins that are fused to the ...
Now, a study has found that taking fish oil supplements in later life could help reduce the risk of Alzheimer’s in some people. The small study showed that in older people with a gene that ...
Underwater vision. Scuba diver with bifocal lenses fitted to a mask. Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors. Underwater, objects are less visible because of lower levels of natural illumination caused by rapid attenuation of light with distance passed through the water.