He makes it look easy but in real life, but it defies the physics of stickiness. A Spiderman balloon is seen during the 88th Annual Macy's Thanksgiving Day Parade in New York City. Researchers ...

BOULDER, Colo. — University of Colorado Boulder aerospace engineering student Katie Kelble recently completed one of the planet's most challenging rock climbing routes. During her summer break, Kelble ...

AI-generated summary reviewed by our newsroom. Read our AI Policy. Rat snakes and rough green snakes can climb trees, fences and walls, often to find food. Venomous copperheads rarely climb due to ...