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Recent Archives
Magnetic Pole Flip
Why does earth’s magnetic field reverse polarity? (Currents of molten iron flowing in the core)
Shopping Momentum
If you go shopping for necessities, it’s easier to get carried away and overbuy.
Tiger Roundup
Counting endangered Siberian tigers in Russia, and determining tiger sub-species with DNA analysis.
Twin Fingerprints – redo of #3071
Do twins have the same fingerprints? (Similar but not exactly the same)