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The Apollo moon missions ended almost 40 years ago. But for lunar scientists, they're ____1____. Researchers studying rocks brought back by astronauts have found that the moon's scarce water has ...

奧巴馬提議適度削減政府開支 (1)

The president says all the programs being eliminated or reduced are wasteful or unnecessary. "We can no longer afford to spend as if deficits don't matter and waste is not our problem. We can n...

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We talked last week about employment rules for international students in the United States. Now we move to financial aid, which is often limited for international students.American schools provid...

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Ynte Schukken Cornell University Ithaca Cows, sheep, goats and other animals can get mastitis, an inflammation in the udder, the organ where milk is produced. Milk from an untreated cow is still...