The Earth has been naturally radioactive since its formation. This natural radioactivity is found in the soil, rocks, air, and food, generating internal heat and contributing to environmental radioactivity.
According to Greek culture, the color blue is said to ward off their ancient superstition of “the evil eye.” To put this in practice, some Greek people choose to wear a blue charm necklace or bracelet for protection.
The Camouflaged Looper (Synchlora aerata) makes its own costume by picking off bits of plant leaves and flowers and affixing them to its back to create camouflage!
School uniforms originated in medieval England (1222)
The earliest recorded uniform was the “cappa clausa” robe ordered by the Archbishop of Canterbury.
