Keep roses free from black spot disease if 3 easy jobs are done right now
Black spot is a serious fungal disease named after the big dark splotches that can appear on rose leaves once the plant is ...
A young Black scientist discovered a pivotal leprosy treatment in the 1920s − but an older colleague took the credit
Hansen’s disease, also called leprosy, is treatable today – and that’s partly thanks to a curious tree and the work of a ...