Contrary to popular belief, plastic cutting boards are more likely to harbor bacteria than wood ones. New plastic boards are easier to clean, but ones with cuts are nearly impossible to completely disinfect, whereas wood ones absorb and kill bacteria, regardless of age or use.
13
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Sharks have been on the planet longer than trees.
14
One human hair can support 3 ounces.
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