It has turned into a nuisance in Japan's rivers and lakes, steadily destroying native species.
The men were among six patients to have experimental treatment for a rare, inherited, disorder called choroideremia, which steadily destroys eyesight and leaves people blind in middle age.
The ruling party has staked its future viability on an endless carbon-fueled growth agenda that is steadily destroying the country's environment.
Mr. Rumsfeld said the bombing was steadily destroying the Taliban's arsenal and had succeeded in killing middle- to senior-level military leaders, though "none of the very top 6, 8, 10 people".
Researchers think that the brain, like other vital organs, has a huge reserve capacity that can, at least for a time, hide the fact that a disease is steadily destroying it.
Helping the YPG do that are the same Russian jets that are steadily destroying Turkish-supported rebel groups, whose three-year push to oust Bashar al-Assad increasingly looks lost.
In "A Death of One's Own," Jim Witcher, a veterinarian in Louisiana, and his wife, Susie, are living their lifelong dream of owning a horse farm in retirement -- a dream fulfilled except that he is dying of Lou Gehrig's disease, a creeping paralysis that will steadily destroy every function.
The story is as much about these ingenious, and sometimes desperate, bids to save an environment that is steadily being destroyed.
Then, in the summer, they quietly let themselves back outside, into nearby gardens, orchards, woods, and farms, and steadily set about destroying them.
