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ek slash special offer. This is Scientific American 60 second science I'm

Christopher in Tagata.

Bourbon whiskey doesn't have to be made in Bourbon County, Kentucky,

but it does have to be produced from at least 51% corn,

and it has to be aged in unused charred oak barrels. Tennessee whiskey on the other hand must be made in Tennessee as the name implies.

And in addition to the steps that create a bourbon, the distilled whiskey undergoes another one, called the Lincoln County process.

Where you take your fresh whiskey this slit and you filter it through sugar maple charcoal.

It's also called charcoal melodic.

Trent Curley is a graduate student in food science

at the University of Tennessee Institute of Agriculture.

And just for the record?

Personally, I prefer bourbon whiskeys.

Filtration through charcoal made from the wood of the sugar maple tree is known to mellow the flavor of Tennessee

...