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  2. Time perception - Wikipedia

    en.wikipedia.org/wiki/Time_perception

    The most well-known version of this illusion is known as the stopped-clock illusion, wherein a subject's first impression of the second-hand movement of an analog clock, subsequent to one's directed attention (i.e., saccade) to the clock, is the perception of a slower-than-normal second-hand movement rate (the second-hand of the clock may ...

  3. Decapentaplegic - Wikipedia

    en.wikipedia.org/wiki/Decapentaplegic

    Decapentaplegic (Dpp) is a key morphogen involved in the development of the fruit fly Drosophila melanogaster and is the first validated secreted morphogen. [1] It is known to be necessary for the correct patterning and development of the early Drosophila embryo and the fifteen imaginal discs, which are tissues that will become limbs and other organs and structures in the adult fly.

  4. Insect flight - Wikipedia

    en.wikipedia.org/wiki/Insect_flight

    The force component normal to the direction of the flow relative to the wing is called lift (L), and the force component in the opposite direction of the flow is drag (D). At the Reynolds numbers considered here, an appropriate force unit is 1/2(ρU 2 S), where ρ is the density of the fluid, S the wing area, and U the wing speed.

  5. Time dilation - Wikipedia

    en.wikipedia.org/wiki/Time_dilation

    The lifetime of particles produced in particle accelerators are longer due to time dilation. In such experiments, the "clock" is the time taken by processes leading to muon decay, and these processes take place in the moving muon at its own "clock rate", which is much slower than the laboratory clock.

  6. Neural adaptation - Wikipedia

    en.wikipedia.org/wiki/Neural_adaptation

    Neural receptor cells that process and receive stimulation go through constant changes for mammals and other living organisms to sense vital changes in their environment. Some key players in several neural systems include Ca 2+ ions (see Calcium in biology ) that send negative feedback in second messenger pathways that allow the neural receptor ...

  7. Can chickens fly? Here's everything to know about the bird's ...

    www.aol.com/chickens-fly-heres-everything-know...

    Chickens are one of the most common domesticated animals in the world. Here's some fun facts about the bird.

  8. Here's why astronauts age slower than the rest of us here on ...

    www.aol.com/news/heres-why-astronauts-age-slower...

    Relative velocity time dilation is where time moves slower as you move faster. The classic example of this is the twin scenario . One twin blasts off in a spaceship traveling close to the speed of ...

  9. Drosophila melanogaster - Wikipedia

    en.wikipedia.org/wiki/Drosophila_melanogaster

    The photoreceptor cells R1-R6 express the opsin Rh1, [145] which absorbs maximally blue light (around 480 nm), [146] [147] [148] however the R1-R6 cells cover a broader range of the spectrum than an opsin would allow due to a sensitising pigment [149] [150] that adds two sensitivity maxima in the UV-range (355 and 370 nm). [148]