The enzyme friction hitch is a specialized knot used by arborists and tree climbers to create a secure, adjustable grip on a ...

Despite their name, tree hyraxes — small, furry, nocturnal African mammals — don’t always live in trees. In Tanzania’s Pare mountains, near the border with Kenya, they’ve adapted to life on steep ...

The clock is ticking for families to find a Christmas tree. For Ellen Brennan, of Mount Airy, she is finally settled on the right one Thursday, just two weeks ahead of the holiday. "My favorite part ...