The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 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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The largest breed of rabbit is the Flemish Giant.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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