21.   They emit radiation much more quickly.

22.   Tiny, controlled detonations could heat and vaporize a sample, causing it to emit radiation that would reveal its precise composition.

23.   Beltsov said officials do not yet know what kind of device or material may be emitting the radiation.

24.   But even such supercooled atoms do absorb and emit radiation.

25.   Customs officials in Uzbekistan said they discovered nearly a ton of material emitting radiation when the truck was halted last week at a remote border crossing with Turkmenistan.

26.   Experts believed that the remains of medical equipment used to give cancer patients radiation therapy were emitting the radiation.

27.   It mostly emits alpha radiation, the least powerful, which reaches about an inch from the source.

28.   Just one brick-sized piece of fuel that recently fell onto the sarcophagus roof emits deadly radiation.

29.   Russian officials said Friday that a site for burial of radioactive waste in the separatist region of Chechnya emits radiation strong enough to kill a person within days.

30.   The container found last month was emitting radiation at two roentgens per hour.