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Topics about "sleep" include:

  1. Sleep in animals
    Suffering from insomnia? Fruit flies do as well...

Topics containing the search term "sleep" are:

  1. Sleep in animals
    Suffering from insomnia? Fruit flies do as well...

  2. Foregut fermentation in mammals
    Foregut fermentation is best known from the ruminants, such as cattle, deer and giraffes, that regurgitate and rechew their food to aid microbial digestion. However, they are not the only mammals to have evolved this digestive strategy...

  3. Camera eyes in cubozoan jellyfish
    On each of the four club-like extensions (rhopalia) near the base of the cubozoan jellyfish bell there are two camera-eyes, one pointing upwards and the other downwards.

  4. Dolphin communication, cognition and sociality
    Dolphins are one of the most intriguing sources of evolutionary convergence, having cognitive abilities that seem to find many parallels in the great apes, and rather remarkably even extend to tool use.

  5. Camera eyes of cephalopods
    The remarkable similarity between the camera eyes of cephalopods and vertebrates is one of the best-known examples of evolutionary convergence.

  6. Octopus and other cephalopods: convergence with vertebrates
    What could be more different from us than the alien-like octopus? Hold on. Look it in the eye and think again.

  7. Camera eyes in vertebrates, cephalopods and other animals
    Camera eyes are superb optical devices, so it is not surprising that they have evolved several times. But why, of all animals, in the brainless jellyfish? Or for that matter in a slow-moving snail?

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