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Ionizing radiation may be used to treat other cancers, but this may, in some cases, induce a second form of cancer. [74] Radiation can cause cancer in most parts of the body, in all animals, and at any age, although radiation-induced solid tumors usually take 10–15 years, and can take up to 40 years, to become clinically manifest, and ...
Not all higher social behaviours are endemic across these clades; a 2023 study of a tinamou bird and American alligator test subjects found alligators do not appear to engage in visual perspective-taking like the birds. [149] Some researchers have proposed an increase in the use of crocodilians as test animals in comparative cognition studies ...
The FDA banned the use of red dye No. 3 in foods and medicines sold in the U.S. because it has been shown to cause cancer in rats. The action highlights the limits of a federal law known as the ...
The central role of DNA damage and epigenetic defects in DNA repair genes in carcinogenesis. DNA damage is considered to be the primary cause of cancer. [17] More than 60,000 new naturally-occurring instances of DNA damage arise, on average, per human cell, per day, due to endogenous cellular processes (see article DNA damage (naturally occurring)).
This effect is predominantly seen in shallow diving birds as buoyancy effects are strongest. [clarification needed] [11] Higher masses in diving birds appear to be correlated with higher wing loading and consequently larger wings. Faster flying speeds also result from higher wing loading which would be potentially detrimental for small flying ...
The hoatzin (/ h oʊ ˈ æ t s ɪ n / hoh-AT-sin) [note 1] or hoactzin (/ h oʊ ˈ æ k t s ɪ n / hoh-AKT-sin) (Opisthocomus hoazin) [4] is a species of tropical bird found in swamps, riparian forests, and mangroves of the Amazon and the Orinoco basins in South America.
A jay is a member of a number of species of medium-sized, usually colorful and noisy, passerine birds in the crow family, Corvidae.The evolutionary relationships between the jays and the magpies are rather complex.
New tests done by the Environmental Working Group have found 21 oat-based cereals and snack bars popular amongst children to have "troubling levels of glyphosate." The chemical, which is the ...