Reference Terms
from Wikipedia, the free encyclopedia
Animal shell
A shell is a hard, rigid outer layer, which has evolved in a very wide variety of different animals, including mollusks, sea urchins, crustaceans, turtles and tortoises, armadillos, etc.
Note: The above text is excerpted from the Wikipedia article "Animal shell", which has been released under the GNU Free Documentation License.
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Plants & Animals News
January 13, 2025
Jan. 13, 2025 — Scientists have succeeded in controlling the structure and function of biological membranes with the help of 'DNA origami'. The system they developed may facilitate the transportation of large therapeutic loads into cells. This opens up a new way ...
Jan. 10, 2025 — The way cricket frogs move across the surface of water has long been thought to resemble walking on water, but researchers have now discovered a different ...
Jan. 1, 2025 — A research team has clarified a mechanism of how retrotransposons, genetic elements that can 'jump around' chromosomes and are known drivers of evolution, preferentially insert in the ...
Dec. 17, 2024 — Scientists have discovered the oldest known animal with saber teeth: a predator that lived 270 million years ago. This animal, from before the age of the dinosaurs, was a dog-like creature that was related to the ancestors of ...
Latest Headlines
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Jan. 10, 2025 — An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the ...
Jan. 13, 2025 — Although extremely flammable, cotton is one of the most commonly used textiles due to its comfort and breathable nature. However, in a single step, ...
Jan. 13, 2025 — Scientists looked at multiple techniques used to measure the modified viruses deployed in some gene therapy research and treatments. One technique, known as SEC-MALS, was the most precise and ...
Jan. 13, 2025 — Bats depend on open bodies of water such as small ponds and lakes for foraging and drinking. Access to water is particularly important for survival ...
Jan. 13, 2025 — Scientists have adapted a sensing platform to detect and even measure chemicals at low enough concentrations to have use outside the lab. The system, which is 10 times more sensitive than previous ...
Jan. 13, 2025 — The mosquito-borne Zika virus is known for causing microcephaly, a birth defect in which abnormal brain development results in a ...
Jan. 13, 2025 — The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...
Jan. 13, 2025 — Radiation-induced mutation is unlikely to have induced genetic differences between dog populations in Chornobyl City and the nearby Chornobyl Nuclear Power ...
Jan. 11, 2025 — Scientists have now discovered a chemical that plants produce when they're stressed prevents dangerous biofilm from forming. The breakthrough offers potential advances in healthcare as well as ...
Jan. 10, 2025 — To help rare elkhorn corals survive in Florida waters, coral researchers should place them in shallow ocean locations with fast currents, scientists ...