Great air quality for the Great Lakes

Air quality planning agencies in the U.S. Great Lakes region now include high-resolution NASA satellite data and near real-time Earth observations in their ozone pollution assessments. Creating models that accurately predict ...

Study: Humans responsible for over 90% of world's oil slicks

A team of U.S. and Chinese scientists mapping oil pollution across the Earth's oceans has found that more than 90% of chronic oil slicks come from human sources, a much higher proportion than previously estimated.

Do all animals sleep?

"Nothing is certain except for death and taxes," said Benjamin Franklin. Of course, he left out another certainty for humankind: sleep. All humans sleep, albeit some better than others. But do all animals sleep, too?

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