You may see advertisements for vitamins all the time. Do we really need vitamins? And if we do, how do we know which vitamins are high quality? Take a tour into the history, science, and manufacturing of vitamins.
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Orchid bees come in an amazing array of shapes and colors. You could call them the jewels of the bee kingdom.
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Large cities are often hotter than their rural surroundings, so what does that mean for city animals? At least for ants, it looks like these city dwellers may be better prepared to take the heat.

Battling bacteria can be tough, as they can evolve quickly and resist many of our treatments. But Shelley Haydel is working on new ways to fight bad bacteria.