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Was RNA the original prebiotic molecule?

Where did life begin—in a shallow lagoon, or in a vent of superheated water spewing from the ocean floor? If we knew, we might know where to look for life elsewhere in the universe. The "RNA World" hypothesis, which suggests ...

dateSep 07, 2016 in Biochemistry
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Earth's carbon points to planetary smashup

Research by Rice University Earth scientists suggests that virtually all of Earth's life-giving carbon could have come from a collision about 4.4 billion years ago between Earth and an embryonic planet similar to Mercury.

dateSep 05, 2016 in Earth Sciences
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SDO witnesses a double eclipse (w/ video)

Early in the morning of Sept. 1, 2016, NASA's Solar Dynamics Observatory, or SDO, caught both Earth and the moon crossing in front of the sun. SDO keeps a constant eye on the sun, but during SDO's semiannual eclipse seasons, ...

dateSep 02, 2016 in Space Exploration
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What is the largest desert on Earth?

When you hear the word desert, what comes to mind? Chances are, you'd think of sun, sand, and very little in the way of rain. Perhaps cacti, vultures, mesas, and scorpions come to mind as well, or possibly camels and oases? ...

dateSep 02, 2016 in Earth Sciences
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Feeding our growing population with flies

Scientists have predicted that by 2050 there will be 9.6 billion humans living on Earth. With the rise of the middle class, we are expected to increase our consumption of animal products by up to 70% using the same limited ...

dateSep 02, 2016 in Plants & Animals
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