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Humans

From the January 18, 1936, issue

A small model of a large telescope, pain relief for angina, and the lightest solid ever known.

Earth

Sinking Mercury: Light-based reactions destroy toxic chemical in Arctic lakes

Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it.

Physics

Thermonuclear Squeeze: Altered method extends bubble-fusion claim

A technique that some scientists claim generates thermonuclear fusion in a benchtop apparatus apparently works even without its controversial neutron trigger.

Astronomy

Pay Dirt: Cometary dust collector comes home

A capsule containing dust collected from the comet Wild-2 safely landed in the Utah desert.