Why Invasive Plants Pushing Out Native Flora Is Pushing Us Closer to a ‘New Pangaea’

According to the first global analysis of plant diversity, the world’s flora is growing increasingly uniform, even on isolated islands like Australia. For decades now, scientists have been warning the world we are headed for a new geological epoch, called the ‘Homogecene’, when unique life forms become overshadowed by more adaptable species that can live … Read more

Covid booster shots: Third vaccine doses are pushing protection to unexpected heights

Evidence suggests that vaccine booster programmes can take people’s covid-19 protection to unexpectedly high levels, but we don’t yet know how effective existing vaccines will be against the omicron variant Health 30 November 2021 By Clare Wilson A road sign in Buckinghamshire, UK, in mid-November Maureen McLean/Shutterstock While the emergence of the omicron variant has caused concern worldwide, … Read more