Researchers suggest the extinction of woolly rhinoceros may have been caused by climate change and not overhunting. They said the woolly rhinoceros population remained stable and diverse until only a few thousand years before it disappeared from Siberia when temperatures likely rose too high for the species. Researchers sequenced ancient DNA from 14 woolly rhinos for the study.Continue...
NASA has developed VITAL (Ventilator Intervention Technology Accessible Locally), a high-pressure ventilator in 37 days to treat COVID-19 patients. The device is composed of far fewer parts, many of which are available to potential manufacturers, NASA said. "Its flexible design means it can be modified for use in hospitals being set up in hotels and other high- capacity facilities," NASA added.
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