Amazon S3 on MSN
Why some coins float instead of sinking in water
The science pros at TKOR demonstrate why some coins refuse to sink.
Gold is generally associated with pyrite (iron disulfide, FeS2), and pyrite-induced gold precipitation is critical to the ...
The Pioneer Woman on MSN
Why You Should Put a Quarter on a Frozen Cup of Water Before a Major Storm
This old trick is making the rounds on social media again for a reason.
Why are people putting a quarter on a frozen cup of water before a snowstorm? The answer may surprise you.
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