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Daily picks · 2026-09-23 · Central TimeSwipe to discover

A hypothesis is a testable explanation.

A useful hypothesis leads to predictions that evidence can support or challenge.

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What question can you not honestly answer “yes” to if you are speaking out loud?

Evaporation can cool what it leaves behind.

When higher-energy molecules escape from a liquid, the liquid that remains can cool.

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It doubles daily. Full on day 20. When was it half full?

Reveal answer

The blank page can teach you what rereading hides.

In two experiments, recalling prose improved delayed retention more than repeated study. Immediate test results differed.

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Five machines make five parts in five minutes. How long do 100 machines need for 100 parts?

What belongs to you but other people say it more often?

Your best focus block?

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Inquisitive

(in-KWIZ-ih-tiv)

Curious and eager to learn.

The inquisitive student asked how the experiment could be tested.

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Some changes are physical; others make new substances.

Melting changes a material’s state. A chemical reaction changes substances into other substances.

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“Till this moment, I never knew myself.”

The plot twist: your first impression can reveal your own blind spots.

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