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Science News for July 3, 2022


Male dogs four times more likely to develop contagious cancer on nose or mouth than females

A new study by University of Cambridge researchers found that male dogs are four to five times more likely than female dogs to be infected with the oro-nasal form of Canine Transmissible Venereal Tumour. This unusual cancer is infectious and can spread between dogs through contact, commonly affecting genitals but also the nose and mouth.

SourceUniversity of Cambridge·JournalVeterinary Record·DateJul 3, 2022

Defining the Anthropocene

Researchers combined nuclear fallout records with coral skeletons to define the Anthropocene period, which marks a milestone for humanity's impact on Earth's environment. The study provides clear evidence of plutonium fallout from 1954, linking sediments and coral records.

SourceUniversity of Tokyo·JournalScientific Reports·TypeExperimental study·DateJul 3, 2022