Carved the size of a palm or smaller, these miniature boxwood carvings featuring religious iconography from the early 16th century have long been a mystery to researchers in the field.
These industrially important materials have a range of uses from Swiss watches to high-speed trains, but why these materials exhibit such a counter intuitive behavior has been a puzzle for many decades.
Actually, however, the spin state of heme-Fe changes before and after the adsorption of oxygen; the above reversible phenomenon at room temperature has remained a mystery.
It's always been somewhat of a mystery to me as to why China was ever interested in Tibet in the first place, it being such a rugged and harsh environment.
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