Radon is a common radioactive element in air, which is strongly harmful to the man's health. Man inhales radon and its daughters mainly from the indoor air.

氡是空气中常见的放射性元素，其对人体健康有强的危害作用，人体主要从室内空气中吸入氡及其子体。

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Scientists are seeking ways to protect man from the effects of radioactive fallout.

科学家正在寻找保护人类不受辐射事故影响的方法。

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In the comics, when Peter Parker was bitten by the radioactive spider that made him Spider-Man, he gained superpowers that gave him the speed, strength, and agility of a spider.

FORBES: This Suit Gives You A Real Life Spider-Sense

Located 26 miles east of Carlsbad, the Waste Isolation Pilot Plant, or WIPP, is a world first: a series of man-made tunnels 2, 150 feet underground, designed to accommodate radioactive waste.

FORBES: How Carlsbad got WIPPed