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 oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Your thumb is about the same size as your nose.
124
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
You forget 90% of your dreams.
256
A cow produces around 200,000 glasses of milk in her lifetime.
373