The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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A cow produces around 200,000 glasses of milk in her lifetime.
373
Your thumb is about the same size as your nose.
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If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The strangers in your dreams are actually people that you've seen in real life.
50
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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