1. *Gravity's Effect on Time*: Time moves slower near massive objects due to gravity's effect on spacetime.
2. *Bioluminescence*: Certain organisms, like fireflies and glowworms, produce their own light through chemical reactions.
3. *Human Brain's Energy Consumption*: The human brain uses about 20% of the body's energy expenditure.
4. *Superfluidity*: Certain liquids, like helium, can exhibit zero viscosity and flow without resistance at very low temperatures.
5. *Fractal Patterns*: Many natural patterns, like branching trees and river networks, exhibit fractal properties.
6. *Quantum Entanglement*: Particles can become "entangled" and affect each other even at vast distances.
7. *Earth's Core*: The Earth's core is composed of iron and nickel and is approximately 6,371 kilometers in diameter.
8. *Black Holes*: Black holes have such strong gravity that not even light can escape once it falls within their event horizon.

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Nice one