In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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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