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Can you recognize AI work?

AI writing is flooding classrooms. Most teachers can't tell. Can you?

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Which passage was written by a student?

Choose the one you think is human-written, regardless of which reads better.

Passage A

There is something astonishing in the fact that we are made of matter forged in dying stars, that the calcium in our bones was created in stellar furnaces billions of years before Earth existed. The universe is not indifferent to us; we are made of it, continuous with it. To understand this is not to feel small. It is to feel implicated in something vast.

Passage B

Science is not only compatible with spirituality; it is a profound source of spirituality. When we recognize our place in an immensity of light years and in the passage of ages, when we grasp the intricacy, beauty, and subtlety of life, then that soaring feeling, that sense of elation and humility combined, is surely spiritual.

65%
of readers chose the AI passage as the human one.

You're not alone — most readers picked the AI passage too.

One more time. Which is the student's writing?

Same topic. New passages. Take your best guess.

Passage C

The stars don't just light up the sky—they wrote us. Every atom of iron in our blood was forged in a supernova billions of years ago. When I look up at the night sky, I don't feel small. I feel like I'm looking at my family tree. Science doesn't diminish wonder; it gives wonder a home.

Passage D

To study the cosmos is to practice a kind of radical humility. The universe predates us by 13.8 billion years and will likely outlast us by trillions more. Yet here, in this brief flicker of time, we have built telescopes that see to the edge of the observable universe, and we have wondered — and that wondering is the most human thing we do.

Know what your students actually understand.

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