Mars had an oxygen-rich atmosphere around 4 billion years ago
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The largest breed of rabbit is the Flemish Giant.
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If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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Your body is creating and killing about 2.4 million red blood cells per second.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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