Science Explorer
Science Explorer

Science Explorer

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The Asteroid That Killed the Dinosaurs Was Stranger Than We Thought
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The Asteroid That Killed the Dinosaurs Was Stranger Than We Thought

Scientists are narrowing down the type of space rock that caused the mass extinction at the end of the Cretaceous period, and new research suggests it was no ordinary rock. The Chicxulub impactor, the space rock that struck what is now Mexico 66 million years ago, left behind an enormous crater but almost nothing of [...]

MIT Research Could Lead to Refueling Depots on Mars
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MIT Research Could Lead to Refueling Depots on Mars

MIT PhD candidate Lanie McKinney is developing technology to convert the chemicals in the Martian atmosphere into propellant to bring astronauts home.

Gender Imbalances in College Majors Are More Complicated Than They Appear
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Gender Imbalances in College Majors Are More Complicated Than They Appear

Researchers find that differences in academic preparation and interest in a major do not fully explain why some groups are underrepresented or less likely to stay in that field of study. Engineering and computer science draw far more men than women, but the size of that gap depends partly on students’ academic records before college. [...]

A Snapped Rib in the World’s Largest T. rex Preserved an Extraordinary Secret
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A Snapped Rib in the World’s Largest T. rex Preserved an Extraordinary Secret

A snapped rib reveals that Scotty, the largest Tyrannosaurus rex skeleton ever found, survived long enough for his body to begin repairing the damage. Scientists examining Scotty, the largest T. rex skeleton ever discovered, found an extraordinary network of mineralized blood vessels inside one of his fractured ribs. The discovery offers a rare look at [...]

Researchers Measure the Environment Where the First Supermassive Black Holes Formed
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Researchers Measure the Environment Where the First Supermassive Black Holes Formed

Scientists theorize that the rapid emergence of supermassive black holes (SMBHs) in the early Universe can be explained by the direct-collapse black hole (DCBH) scenario. In a recent study, astronomers investigated the potential host environments of DCBHs and found that this scenario is a plausible explanation for how the "seeds" of SMBH formed.