It’s finally the start of a new month: a month when we celebrate mothers of all ages and commemorate the fallen men/women of the armed forces. Many great minds of the past, from Dorothy Hodgkin to Richard Feynman, were born in May. I hope the next 31 days will be filled with prosperity and happiness for everyone.
If you find yourself needing a break from work, here’s a little chemistry brainteaser that I came across. Despite what your academic training may tell you, try not to search past literature for the answer:
There are quite a few countries whose names can be spelled with symbols from the periodic table (capitalization is irrelevant). However, there is only one pair of countries whose names differ by a single element. What are they?