Reference Terms
from Wikipedia, the free encyclopedia
Water fluoridation
Water fluoridation is the act of adding fluoride ions to water in order to reduce tooth decay in the general population.
Note: The above text is excerpted from the Wikipedia article "Water fluoridation", which has been released under the GNU Free Documentation License.
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Science News
May 14, 2025
May 14, 2025 — The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...
May 14, 2025 — The northern white rhinoceros is one of the rarest animals on Earth, with just two females left and no natural way for the species to reproduce. Now, scientists have mapped the entire genome of a ...
May 14, 2025 — Archaeopteryx is the fossil that clearly demonstrated Darwin's views. It's the oldest known fossil bird, and it helps show that all birds -- including the ones alive today -- emerged from dinosaurs. ...
May 13, 2025 — Palaeontologists have discovered a remarkable new 506-million-year-old predator from the Burgess Shale of Canada. Mosura fentoni was about the size of your index finger and had three eyes, spiny jointed claws, a circular mouth lined with teeth and a ...
Latest Headlines
updated 12:56 pm ET
May 14, 2025 — Scientists inspired by the octopus's nervous system have developed a robot that can decide how to move or grip objects by sensing its ...
May 14, 2025 — Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South ...
May 14, 2025 — A study shows that leukemia cells drink up taurine, which is produced in the body and also consumed through foods and in energy drinks, and use it as fuel for growth. This highlights a potential to ...
May 13, 2025 — Scientists confirm CT scanning doesn't interfere with natural decomposition processes, opening new windows into understanding how fossils ...
May 13, 2025 — Being appreciated by colleagues can help employees cope with negative experiences at work, according to a new study. Researchers found that employees experience 'embitterment' -- an emotional ...
May 13, 2025 — Researchers have detailed the geological ingredients required to find clean sources of natural hydrogen beneath our feet. The work details the requirements for natural hydrogen, produced by the Earth ...
May 14, 2025 — Listen to the first notes of an old, beloved song. Can you name that tune? If you can, congratulations -- it's a triumph of your associative memory, in which one piece of information (the first few ...
May 14, 2025 — A new game-based experiment sheds light on the tradeoffs people are willing to make about data ...
May 14, 2025 — Scientists present current evidence for a new gene therapy for Duchenne muscular dystrophy called delandistrogene ...
May 14, 2025 — A transient ischemic attack, also known as a mini-stroke, is typically defined as a temporary blockage of blood flow to the brain that causes symptoms that go away within a day, but a new study finds ...