2. A new type of battery based on the radioactive decay of nuclear material is 10 times more powerful than similar prototypes and should last a decade or more without a charge, scientists announced.
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When our star drops out of its latest sunspot activity cycle, the sun is most likely going into hibernation, scientists announced today.
科学家今天宣布,当我们的恒星脱离最近的太阳黑子活动周期时,太阳最有可能进入冬眠。
This year, scientists announced that they had seen shimmers of light from the planets themselves.
今年,科学家宣布他们发现这些星体上传出的微光。
There is water ice on Mars within reach of the Mars Phoenix Lander, NASA scientists announced Thursday.
NASA的科学家在周四宣布:在凤凰号火星车触手可及的地方发现了水冰。
In January,a team of NASA and university scientists announced that they had found methane gas on Mars.
VOA: special.2009.12.30
In the Jan.14 issue of the journal Nature, Jackson and a group of scientists announced they have unraveled the genetic code of one common variety.
VOA: standard.2010.02.01
In September, NASA scientists had announced the discovery of water molecules mainly in the moon's extreme northern and southern areas.
VOA: special.2009.12.30
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