New research is clarifying the historical timeline for the dates of occupation at four Native American settlements in New York’s Mohawk Valley.

Combining observations from human bird watchers with topographical information satellites and information about light at night, the Cornell Lab of Ornithology’s eBird program has just released animated migration maps.

Working with the big tech companies, the U.N. health agency has made strides in combating rumors and falsehoods on the internet about the new infection.

“It’s increasingly clear that fossil fuel production has dramatically increased global methane emissions,” says Robert Howarth, professor of ecology and environmental biology.