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Scientists have not yet reached a definitive explanation of why ice has such a slippery surface compared to other materials.
Surprisingly, tomatoes have more genes than humans. The reason for this genetic abundance in tomatoes compared to humans is still a mystery.
Known since Newton's era, gravity is understood in terms of its effects and force. However, science still doesn’t fundamentally understand what gravity "is."
While it's known that cats purr by vibrating muscles around their larynx, the reason behind this behavior is debated.
The placebo effect occurs when a person’s health improves after taking a dummy treatment. How placebo effect works is still not fully understood by scientists.
Unlike regular matter, dark matter doesn’t emit or reflect light. Despite its invisibility, dark matter's existence is inferred from its gravitational effects, yet its exact nature remains elusive.
We yawn when tired or bored, but the exact reason remains unclear. Yawning is contagious, possibly due to our brain's empathy, but the mechanism behind this is still unknown.
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