Magnetic Pole Flip
Why does earth's magnetic field reverse polarity? (Currents of molten iron flowing in the core)
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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)
Tooth Wear
Using geographical information software to map the surfaces of fossil teeth
Materials Roundup
A nanoparticle coating helps fabrics resist stains, and a new process to make spider silk without …
Wasted Food
America wastes almost half of its food, from farms to warehouses to households.
Cosmic Dark Ages
New telescopes could provide a window into the Dark Ages of the universe.
Perfect Pitch
Native Chinese speakers are more likely to have perfect pitch than Americans.
Terrorism Database
A database of federal crimes could be a way to find patterns in terrorist activity.