- The wristwatch was invented in 1904.
- A female ferret is called a jill.
- Wind doesn't make a sound until it blows against an object.
- The world's most expensive spice is saffron.
- Porcupines float in water.
- The surface of Mars is covered in rust, making the planet appear red.
- An ostrich's eye is bigger than its brain.
- Blueberries are very high in antioxidants.
- Frogs can't swallow with their eyes open.
- Cats can hear ultrasound.
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