Scientists Say
A weekly word defined, in a sentence and in context. Click here to find the alphabetized list.
- Earth
Scientists Say: Equinox and Solstice
Equinoxes and solstices mark the maximums, minimums and mediums of hours spent in daylight.
- Math
Scientists Say: Calculus
Calculus is math that deals with curves, from their changing slopes to the areas they enclose.
- Computing
Scientists Say: Code
Writing code allows people to tell computers and other smart devices what to do.
- Chemistry
Scientists Say: Rubisco
Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.
- Earth
Scientists Say: Seismology
Seismology is the branch of science focused on seismic waves — vibrations that run through or around Earth.
- Materials Science
Scientists Say: Hydrogel
Tangled polymer chains help hydrogels hold their shape despite being full of water.
- Animals
Scientists Say: Metamorphosis
Animals that go through metamorphosis look very different as adults than they did as kids.
- Physics
Scientists Say: Fusion
Nuclear fusion is the physics that powers the sun and could someday provide abundant clean energy on Earth.
- Physics
Scientists Say: Fission
Nuclear fission is the process of splitting atoms apart to release huge amounts of energy.
- Computing
Scientists Say: Artificial intelligence
Artificial intelligence is technology smart enough to do tasks that would normally require human brainpower.
- Health & Medicine
Scientists Say: Infection
Infections range from mild illnesses, such as the common cold, to deadly diseases, such as rabies.
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