Call them acro-bats.

• Position: WILDLIFE - bats - Brief article

Because bats roost hanging from their heels, they must land upside down against a cave ceiling or foliage. Scientists have tong wondered how they do it without damaging their fragile limbs. Now, Daniel. Riskin of Brown University in Rhode Island has used high-speed video technology to analyze the landing technique of three species of bats. Riskin, who specializes in the biomechanics of bat locomotion, says the creatures perform a flip--and in some cases a twist--to make a two- or four-point landing. He also used...