Scientists Say
A weekly word defined, in a sentence and in context.
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Life
Scientists Say: Ichnology
This field of science looks to understand life — past and present — by studying how organisms altered their surroundings.
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Physics
Scientists Say: Coriolis Effect
Because Earth spins, airborne objects traveling far and fast — such as airplanes — experience deflections in their motion.
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Health & Medicine
Scientists Say: Calorie
These little units help us measure energy transfer in chemistry, nutrition and beyond.
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Physics
Scientists Say: Muon
Tracking muons raining down on Earth can reveal new details of pyramids, volcanoes and thunderstorms.
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Animals
Scientists Say: Camouflage
Plants and animals alike hide in plain sight using this sneaky strategy.
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Math
Scientists Say: Prime number
Prime numbers’ unique quality — being divisible only by themselves and one — makes them useful for encrypting secret information.
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Plants
Scientists Say: Fertilize
This word describes both a stage of sexual reproduction and the agricultural practice of adding nutrients to soil.
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Brain
Scientists Say: Deep brain stimulation
Through wires implanted in a person’s brain, this medical treatment can help treat various conditions.
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Humans
Scientists Say: Prehistoric
Researchers rely on prehistoric tools and other artifacts to study the vast stretches of time before recorded history.
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Physics
Scientists Say: Gamma ray
Lightning bolts, nuclear explosions, colliding stars and black holes all throw off this high-energy type of light.
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Animals
Scientists Say: Vertebrate
Animals with spines, or vertebrates, come in all shapes and sizes.
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Physics
Scientists Say: Ultrasonic
This word describes sound waves that have frequencies too high for human ears to hear.