Why the nicotine habit is hard to kick. Erase a penciled boo-boo with a little grit. How science, geometry, and dance go hand in hand. Avalanche rescue, prosthetic limbs, science at work . All dogs need is their astonishing sense of smell.
New technology helps prosthetics put feeling back into limbs.
Football scientist tests for the coefficient of friction in pigskin. How to use a quipu to inventory those spuds. Mash the poison out of Andes potatoes. Big hearts, soft wool make alpacas Andean favorites. The buzz on bee behavior.