Mental Floss

BIG QUESTIONS

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Old Mexico is Mexico. Old York is York. But where is Old Zealand?

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Periodical cicadas have had scientists scratching their heads for centuries.

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Glaciers do the same thing, but on a much larger scale.

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Don't let this question leave you … with anxiety.

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Two words: monopoly and propaganda.

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Evolution, geography, and luck all may have contributed to the long lives of these gentle giants.

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It may look silly, but they do it to keep us safe.

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The maximum soaring height of that lost party favor depends on physics.

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Some enterprising students decided to find out.

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All night skies are not created equal.

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It's loud and sometimes messy, but it gets the job done.

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Scientists say the discomfort of being bored drives us to seek out dopamine-stimulating sweet or fatty foods.

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Do they print up jerseys for every possible scenario and send the extras to El Salvador?

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The scientific reason behind those peculiar mouth contortions.

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1-800-WHAT-WHY?

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What stopped no-good varmints from crawling underneath the doors?

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Na-na-na-na-na-na-na-na-na...doubt it!

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Science is a little stumped by this one.

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Much like sandwiches and afternoon tea, Wellingtons are a still-practical mainstay that we can thank the British aristocracy for.