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
November 21, 2024
Nov. 20, 2024 — By combining 25 datasets, researchers have created the largest cohesive cell atlas of the human gut and uncovered a new way that stomach cells may play a role in Inflammatory Bowel ...
Nov. 20, 2024 — Researchers have discovered evidence of the oldest alphabetic writing in human history. The writing was etched onto clay cylinders discovered during a dig at an ancient Syrian ...
Nov. 21, 2024 — While astronomers have taken about two dozen zoomed-in images of stars in our galaxy, unveiling their properties, countless other stars dwell within other galaxies, so far away that observing even one of them in detail has been extremely ...
Nov. 19, 2024 — Leveraging a unique statistical analysis and applying it to ancient DNA extracted from human skeletal remains, a team of researchers has revealed new insights into how ancient Europeans adapted to their environments over 7,000 years of European ...
Latest Headlines
updated 12:56 pm ET
Nov. 21, 2024 — Researchers have found a new way to improve a key element of thermophotovoltaic systems, which convert heat into electricity via light. Engineers designed a thermal emitter that can deliver high ...
Nov. 21, 2024 — Researchers have analyzed the entire mouse intestine, mapping gene expression and cell states and location in the healthy gut and in response to ...
Nov. 21, 2024 — Adolescents who snore frequently were more likely to exhibit behavior problems such as inattention, rule-breaking, and aggression, but they do not ...
Nov. 20, 2024 — Full view of how bones and joints form in the first trimester uncovers cells and pathways that could help diagnose and treat skeletal conditions in the ...
Nov. 20, 2024 — The most comprehensive map of the developing human thymus sheds light on how immune responses are built and maintained at early life, with implications for understanding and treating ...
Nov. 21, 2024 — Hidradenitis suppurativa (HS) is an immune disease that affects up to 4% of the global population and causes painful, recurring skin lesions and ...
Nov. 21, 2024 — A new study shows that the oceans were less cold in the early 20th century (1900--1930) than previously thought. During this period the ocean appears ...
Nov. 21, 2024 — After severe heart failure, the ability of the heart to heal by forming new cells is very low. However, after receiving treatment with a supportive heart pump, the capacity of a damaged heart to ...
Nov. 21, 2024 — Distractions slow the reaction time of automated vehicle remote drivers by over five seconds, new research has ...
Nov. 21, 2024 — Archaeology studies the human past through the excavation of things people made and used thousands of years ago -- from architecture to objects like ...