Antifreeze proteins allow Antarctic fish to avoid ice crystal formation.
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The Earth's atmosphere blocks much of the Sun's harmful radiation.
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Some metals such as mercury are liquid at room temperature.
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DNA carries genetic information in living organisms.
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The Double Slit experiment demonstrated wave-particle duality in quantum physics.
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The Cavendish experiment measured the density of the Earth using lead spheres.
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Lightning can heat air hotter than the surface of the Sun.
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Time moves slower in stronger gravitational fields.
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The microscope revealed microorganisms.
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