The team found levels of lead as high as thirty-two thousand parts per million in tests on some paint samples from Ecuador.
VOA: special.2009.08.31
The team found the islands and nearby waters are home to more than 1,200 known species.
VOA: special.2009.01.13
The NASA team still is not sure how much of what they have found is water and how much is hydroxyl.
VOA: special.2009.09.30
应用推荐