Summary
The intelligence and social structure of dolphins are being explored.
Nurullah
Communityshared 60 info • 1 month ago
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Summary
The intelligence and social structure of dolphins are being explored.
shared 60 info • 1 month ago
Shape memory alloys can be bent and crushed, then return when heated. It is not magic, it is a phase change in the crystal structure.
While a mountain’s windward side gets soaked, the other side can dry out. Air rises, drops rain, then descends, warms, and loses moisture—creating a rain shadow.
The rocks at the bottom of the Grand Canyon are about half as old as Earth.
Secret: Trust, freedom, generous social system. Finns call it "sisu" - strength to keep going despite hardships.
Honey does not spoil because it has very little water and is naturally acidic, leaving microbes no room. Archaeologists have found edible honey traces in ancient containers.
Chili burn happens because your tongue sends pain signals, not just “heat.” Your brain treats it like a threat and releases endorphins—why spicy fans can feel a mini-high.
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