It’s well known that the sky gets darker as you get farther away from human sources of light.
Sunshine is endemic to the desert Southwest. So is a venerable reptile, the Agassiz’s desert tortoise.
This year Americans will spend millions of dollars to eradicate weeds in yards, fields, and gardens. Meanwhile, a group of enthusiasts in Durango, Colorado, has come up with a different approach: eat the weeds!
As winter approaches, some species of bats settle in to hibernate in caves. Lack of food and dropping temperatures drive them inside, where “carpets” of bats congregate on cave ceilings.