A brush fire erupted in Oakland, Calif., on Friday, forcing the evacuation of hillside neighborhoods and the brief closure of a major highway as high winds threatened to spread the blaze. The five-alarm fire, which officials have named the Keller fire, had burned about 15 acres and damaged two homes …
Read More »What Flying in a Wind Tunnel Reveals About Birds
It happens every fall: The days grow colder, the nights grow longer, the birds grow restless and then they take flight. In North America alone, billions of birds fly south for the winter, sometimes in enormous undulating flocks. It is one of nature’s great spectacles as well as an athletic …
Read More »