But a new us study in nature suggests the genetic decay has all but ended .
但是一项发表在自然杂志中的美国最新研究表明，遗传衰变几乎完全结束。
With radioactivity , if you give me a single atom of uranium , I can tell you it will eventually decay .
就放射性现象来说，你如果给我一个铀原子，我可以告诉你它最终会衰变。
The higgs should occasionally decay into a pair of photons , which would produce a bump in the photon-pair energy distribution .
偶尔，玻色子会衰变为一对光子，光子纠缠对能量分布不均可能产生效应。
A variety of chemical batteries have been tried , as well as inductive recharging schemes and even plutonium power cells that convert the heat from radioactive decay into electricity .
他们试过各种化学电池和感应充电方法，甚至用了可将放射性衰变产生的热能转化为电能的钚能量电池。
But planetary scientists reckon both may have subsurface oceans , kept liquid by a combination of radioactive decay and tidal heating from saturn and jupiter , their respective parent planets .
