STEM

Earth

Astronomers Finally Find the Answer to Earth’s Water Mystery

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Looking at her picture, you may think that Earth is a water world. But the fact is that she is 99-percent dry rock. According to our current solar system formation model, this is impossible—a mystery that has puzzled scientists until now. Rebecca Martin and Mario Livio—of the Space Telescope Science Institute in Baltimore, Maryland—may have […]

Moon

The Moon Is Even Deadlier Than We Thought

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Sci-fi fantasies have long predicted that we might live on the moon. But while the lack of atmosphere poses a problem for lunar living, there may be an even bigger sticking point: new research suggests that the moon’s surface is itself toxic to humans. For obvious reasons, long-term human exposure to the moon’s environment has […]

Project 1640

Project 1640 offers new way to search for planets beyond our solar system

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It’s taken more than six years of development, but a new imaging system for the Palomar Observatory’s 200-inch Hale Telescope finally started capturing images last month, and promises to aid significantly in the search for planets outside our solar system (otherwise known as exoplanets). With the suitably mysterious name of “Project 1640,” the new instrument […]

Trout

Magnetic Cells Give Sense of Direction to Fish

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After spending 3 years at sea and traveling up to 300 kilometers away from home, a rainbow trout can swim straight back to its original hatching ground, following freshwater streams inland and rarely heading in the wrong direction. This remarkable feat of navigation likely relies on many senses; the fish have superb eyesight and smell. […]