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Materials Science

These shape-shifting devices melt and re-form thanks to magnetic fields

Miniature machines made of gallium embedded with magnetic particles can switch between solid and liquid states.

Health & Medicine

Procrastination may harm your health. Here’s what you can do

Scientists have tied procrastination to mental and physical health problems. But don't panic if you haven't started your New Year's resolutions yet.

Astronomy

Lots of Tatooine-like planets around binary stars may be habitable

A new simulation suggests that planets orbiting a pair of stars may be plentiful, and many of those worlds could be suitable for life.