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The Kardashev Scale measures the technological capabilities of advanced alien civilizations that may exist in our universe. How do humans rank? (Spoiler: not very well)
Despite their small size, tardigrades are arguably nature’s toughest organism. If you needed to kill one, you’d have a very difficult time. Here’s why.
The Andromeda galaxy is currently barreling toward the Milky Way at 110 km/s. What will happen to Earth when they collide?
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