Reference Terms
from Wikipedia, the free encyclopedia
Rainbow
A rainbow is an optical and meteorological phenomenon that causes a nearly continuous spectrum of light to appear in the sky when the Sun shines onto droplets of moisture in the Earth's atmosphere.
Note: The above text is excerpted from the Wikipedia article "Rainbow", which has been released under the GNU Free Documentation License.
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Science News
October 30, 2024
Oct. 29, 2024 — Paleobiologists have found that the sinuses of ocean dwelling relatives of modern-day crocodiles prevented them from evolving into deep divers like whales and ...
Oct. 30, 2024 — It would take far longer than the lifespan of our universe for a typing monkey to randomly produce Shakespeare, a new study ...
Oct. 29, 2024 — Paleontologists have identified fossils of an ancient species of bug that spent the past 450 million years covered in fool's gold in central New York. The new species, Lomankus edgecombei, is a distant relative of modern-day horseshoe crabs, ...
Oct. 28, 2024 — The Triassic-Jurassic Extinction, 201.6 million years ago, has been considered by some to have been a fairly slow-burn event, driven by rising temperatures and ocean acidification. A new study says ...
Latest Headlines
updated 12:56 pm ET
Oct. 30, 2024 — New research suggests older adults wait 3-6 months after a heart attack before elective noncardiac surgery to reduce the risk of serious complications like stroke or another heart ...
Oct. 30, 2024 — Treating anxiety, depression and other disorders may depend on the amygdala, a part of the brain that controls strong emotional reactions, especially fear. But a deep understanding of this structure ...
Oct. 30, 2024 — A new study finds that up to 215 million hectares of land (an area larger than Mexico) in humid tropical regions around the world has the potential ...
Oct. 30, 2024 — A new analysis has revealed detailed 3D maps of the internal structures of multiple tumor types. These cancer atlases reveal how different tumor cells -- and the cells of a tumor's surrounding ...
Oct. 30, 2024 — Researchers have found a process by which the brain guards against attack by the immune system. In mice with multiple sclerosis, such 'guardian' proteins that train the immune system were drastically ...
Oct. 30, 2024 — New research into the long-term dynamics of transplanted stem cells in a patient's body explains how age affects stem cell survival and immune diversity, offering insights that could make transplants ...
Oct. 30, 2024 — A new study sheds light on how the blood-borne parasite that causes African sleeping sickness in humans and related diseases in cattle and other ...
Oct. 30, 2024 — A discovery by physicists is unlocking a new understanding of magnetism and electronic interactions in cutting-edge materials, potentially ...
Oct. 30, 2024 — In common marmosets, the brain regions that process social interactions develop very slowly, extending until early adulthood, like in humans. During this time, all group members are involved in ...
Oct. 29, 2024 — A team has clarified how in plants the boric acid channels, the conduits for the necessary element boron, are transported to the plasma ...