Friday, July 30, 2021

Source of DNA mutations in melanoma

The mutations that give rise to melanoma result from a chemical conversion in DNA fueled by sunlight -- not just a DNA copying error as previously believed, reports a new study. The findings upend long-held beliefs about the mechanisms underlying the disease, reinforce the importance of prevention efforts and offer a path forward for investigating the origins of other cancer types.

from Latest Science News -- ScienceDaily https://ift.tt/3C8FIfd

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They fled the flames—now jaguars rule a wetland refuge

After devastating wildfires scorched the Brazilian Pantanal, an unexpected phenomenon unfolded—more jaguars began arriving at a remote wetla...