Sand flies carry the protozoan parasites that spread leishmaniasis. It was thought to be a disease of tropical climates, but leishmaniasis-causing parasites have now been found living and circulating in the United States. Science Photo Library hide caption Sand flies carry the protozoan parasites that spread leishmaniasis. It was thought to be a disease of […]
Scientists have uncovered how air pollution causes lung cancer in groundbreaking research that promises to rewrite our understanding of the disease. The findings outline how fine particulates contained in car fumes “awaken” dormant mutations in lung cells and tip them into a cancerous state. The work helps explain why so many non-smokers develop lung cancer […]
BILLINGS, Mont. (AP) — The Biden administration on Monday said the government will plant more than one billion trees across millions of acres of burned and dead woodlands in the U.S. West, as officials struggle to counter the increasing toll on the nation’s forests from wildfires, insects and other manifestations of climate change. Destructive fires […]
