Scientists Say
A weekly word defined, in a sentence and in context.
- Health & Medicine
Scientists Say: Bruxism
Some people clench their jaw when their stressed. People who do it a lot may have bruxism.
- 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.
- 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.
- Chemistry
Scientists Say: Sublimation
Matter doesn’t always go from solid to liquid to gas. Sometimes it skips a step.
- 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.
- Genetics
Scientists Say: eDNA
Animals may escape traps or nets, but they often leave DNA behind in their environment, giving scientists important clues.
- Physics
Scientists Say: Diffraction
When liquid hits something it spatters, when light hits something, it scatters. The process is called diffraction.
- 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.
- Planets
Scientists Say: Proxima b
A new planet outside our solar system is only 4.2 light years away.
- Health & Medicine
Scientists Say: Saturated fat
Saturated fats are found in meat and dairy products. Their long, straight chemical chains make them solid in your fridge and on your plate.
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- Chemistry
Scientists Say: Fatty acid
Fats are important, especially fatty acids. These molecules serve many purposes, but they are all constructed the same way.