Tag Archives: preserved

[ad_1] Unlike the vaccine developed by the American Pfizer and the German BioNTech which requires very low temperatures (-70ºC). LThe vaccine that Sanofi is developing against Covid-19 for release in June 2021 will not need to be stored in the freezer, Sanofi France President Olivier Bogillot told CNews on Sunday. …

[ad_1] How long have mammals been social creatures? At least on the late Cretaceous side of the dinosaur era, according to a new study, which reports the first evidence of the behavior around 10 million years old. Studying fossils of the small rodent Filikomys primaevus (meaning “young and friendly mouse”) …