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Cement is one of those common building materials that you can find just about anywhere. When the cement starts to get cracked, fixing it is generally an easy task that involves widening the crack slightly before filling it with more cement. Now, imagine having to fix cracking cement that is buried 1 kilometer (3281…

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When studying Earth’s past, researchers want to understand how nutrients like nitrogen cycled and the impact biology had on them. Scientists rely on ancient rock, soil, fossils, and marine sediment to understand the world that used to be.  Approximately 2.5 billion years ago, oxygenic photosynthesis, the form of…

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Yellowstone National Park is famous for its hot springs, geysers, wildlife, and incredible geology. While the area is popular among visitors every year, scientists are also excited about the hot springs at this site as they create unique habitats for life. Surprisingly, this national park’s hot springs may hold clues…

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When scientists think of a very early Earth, they think of a hot, hostile place not too long after the birth of the solar system more than 4 billion years ago. This time in the Earth’s history is called the Hadean Eon, named after the ancient Greek God of the Underworld Hades, and would have been just about when the…

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What was the weather like in New York last week? You can look it up on weather.com. What was it like on March 7, 1953, in the pre-internet era? You might be able to find it at the library, in the New York Times edition of that day. In fact, with weather data, you can go back pretty far. People began recording daily…

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Should we geoengineer larger ice caps to reflect radiation away from the Earth to cool the climate? Is this a good idea? This article briefly explores these questions, based on the work of Jacob Haqq-Misra of Blue Marble Space Institute of Science.

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An international team of scientists recently detected a new cavity in the 4000 year old Great Pyramid of Egypt! The detection method, muon tomography, is non-intrusive and so the discovery still awaits confirmation using more traditional techniques that involve (minimally invasive) drills and flashlights. But let’s…