A Russian scientist Alexander Sotnikov stretches a cloned rabbit for tests at the laboratory outside Moscow, February 8, 2005.
2005年2月8日，在莫斯科的一间实验室内，俄罗斯科学家亚历山大将一只克隆兔子展开准备进行测试。
2
"You're putting energy into the moon's orbit and taking it out of the Earth's spin," says James Williams, a senior research scientist at NASA's Jet Propulsion Laboratory in Pasadena, Calif.
You're listening to Carol Turley, a senior scientist at the Plymouth Marine Laboratory in the U.K. Her research confirms that oceans are acidifying from atmospheric CO2.