Scientists Say
A weekly word defined, in a sentence and in context.
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Health & Medicine
Scientists Say: Hyperthermia
If our body temperatures rise too high, we can suffer from hyperthermia.
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Animals
Scientists Say: Torpor
When an animal enters torpor, its body temperature goes down and so does the amount of energy it uses.
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Health & Medicine
Scientists Say: Frostbite
As we get cold, the blood vessels near our skin constrict to keep body heat in. But in the process, they leave some tissues in danger of frostbite.
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Health & Medicine
Scientists Say: Hypothermia
Our bodies need to stay warm to function correctly. If our temperature drops too much, we can suffer from hypothermia.
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Health & Medicine
Scientists Say: Bruxism
Some people clench their jaw when their stressed. People who do it a lot may have bruxism.
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Health & Medicine
Scientists Say: Tinnitus
Ever had ringing in your ears? Tinnitus is a condition in which you hear a persistent sound that isn’t there.
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Health & Medicine
Scientists Say: Insulin
This chemical is a lifesaver. It helps our bodies use the sugars from our food, and without it, people develop diabetes.
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Chemistry
Scientists Say: Sublimation
Matter doesn’t always go from solid to liquid to gas. Sometimes it skips a step.
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Chemistry
Scientists Say: Surface tension
Surface tension is what makes water in your glass seem like it’s covered by an invisible membrane holding it together.
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Genetics
Scientists Say: eDNA
Animals may escape traps or nets, but they often leave DNA behind in their environment, giving scientists important clues.
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Physics
Scientists Say: Diffraction
When liquid hits something it spatters, when light hits something, it scatters. The process is called diffraction.
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Chemistry
Scientists Say: Unsaturated fat
These fats are found in foods like olive oil. It’s their special bonds that make them go with the flow.