Reference Terms
from Wikipedia, the free encyclopedia
Color vision
Color vision is the capacity of an organism or machine to distinguish objects based on the wavelength (or frequency) of the light they reflect or emit.
Note: The above text is excerpted from the Wikipedia article "Color vision", which has been released under the GNU Free Documentation License.
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Science News
May 18, 2024
May 15, 2024 What makes the oldfield mouse steadfastly monogamous throughout its life while its closest rodent relatives are promiscuous? The answer may be a previously unknown hormone-generating cell. Scientists discover the cells and hormones that inspire mice ...
May 15, 2024 Astronomers have just discovered a new Earth-sized exoplanet around SPECULOOS-3, an 'ultracool dwarf' star as small as Jupiter, twice as cold as our Sun, and located 55 light-years from Earth. After ...
May 15, 2024 It's one thing to dream up a quantum internet that could send hacker-proof information around the world via photons superimposed in different quantum states. It's quite another to physically show it's possible. That's exactly what physicists have ...
May 15, 2024 The ability to regulate body temperature, a trait all mammals and birds have today, may have evolved among some dinosaurs early in the Jurassic period about 180 million years ago. The new study looked at the spread of dinosaurs across different ...
Latest Headlines
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May 16, 2024 Researchers have investigated how spiders listen to their environments through webs and found that the webs match the acoustic particle velocity for a wide range of sound frequencies. Playing sound ...
May 16, 2024 Sarcasm is notoriously tricky to convey through text, and the subtle changes in tone that convey sarcasm often confuse computer algorithms as well, limiting virtual assistants and content analysis ...
May 15, 2024 In the emperor penguin courtship call, male vocalizations are composed of long, slow bursts with lower frequency tones than the female version. But calls of SeaWorld San Diego male penguin E-79 ...
May 17, 2024 Two-dimensional materials such as graphene promise to form the basis of incredibly small and fast technologies, but this requires a detailed understanding of their electronic properties. New research ...
May 17, 2024 The deep-sea Venus flower basket sponge can filter feed using only the faint ambient currents of the ocean depths, no pumping required, new research ...
May 17, 2024 Stroke is the leading cause of disability worldwide and the second leading cause of death, but the right early intervention can prevent severe consequences. Scientists developed a new test by ...
May 16, 2024 A molecular biologist may have found a new 'rule of biology.' The rule challenges long-held notions that most living organisms prefer stability over ...
May 16, 2024 B cells can control responses of myeloid cells through the release of particular cytokines (small proteins that control the growth and activity of ...
May 16, 2024 Chemotherapy kills cancer cells. But the way these cells die appears to be different than previously understood. Researchers have now uncovered a completely new way in which cancer cells die: due to ...
May 16, 2024 A team of chemists has achieved a significant breakthrough in the field of chemical synthesis, developing a novel method for manipulating carbon-hydrogen bonds. This groundbreaking discovery provides ...