Tuesday 21st March 2017 10:00 am
The gold in a Nobel Prize medal is dense enough to make a big impression when you try to take it through an airport X-ray scanner. It’s also very resistant to being dissolved—but that didn’t stop one chemist who needed to hide two medals from the Nazis, as Dr Karl Kruszelnicki explains.
Read more here:: How the Nobel Prize medals were hidden from the Nazis
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