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Health & Medicine

Less Is More (Bone): Yearly osteoporosis drug reduces fractures

Older women with osteoporosis who received yearly infusions of a drug that prevents bone loss had far fewer fractures than did peers who didn't get the drug.

Humans

From the May 1, 1937, issue

A vitamin image, sugar versus alcohol, and patterns in cells.

Physics

Exploring Time

This new educational site offers time-lapse and high-speed video clips, 3D scientific animations, and other visually stunning features that reveal how events unfold on different timescales—from billionths of seconds to billions of years—and take place too quickly or too slowly for the human senses to perceive.