Vol. 2 No. 9

Featured Articles in this Issue

Explainer

Technically Fiction

Profile

Features

More Stories from the October 1, 2023 issue

  1. Planets

    In a first, telescopes have caught a star eating a planet

    A burst of light and a cloud of dust are signs that a distant star swallowed a giant planet.

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  2. Animals

    How to tell if cats are having fun — or if fur is flying

    Quietly wrestling cats may be hard at play. But if they’re chasing and yowling, you might have a cat fight on your hands.

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  3. Fossils

    T. rex may have hidden its teeth behind lips

    Dinosaurs like Tyrannosaurus have long been portrayed with their big teeth bared. But new research suggests this wasn’t so.

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  4. Physics

    Shouting into the wind may seem futile — but it’s really not

    Sending a sound upwind, against the flow of air, actually makes the sound louder — only it doesn’t sound that way to the person making the noise.

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  5. Earth

    Take candy core samples with this science activity

    Act like a geologist as you drill ‘core samples’ from candy bars using a straw. Can you identify the type of candy bar just from a sample?

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  6. Animals

    Toothed whales use their noses to whistle and click

    Much as people do, toothed whales, such as dolphins and sperm whales, make noises in three different vocal registers.

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  7. Math

    An ‘einstein’ shape eluded mathematicians for 50 years. Now they found one

    The shapes can form an infinite tiled pattern that never repeats. The first is a 13-sided shape nicknamed “the hat.”

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