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If the whir of a drill as it bores into a molar terrifies you, we have some good news. Dentists have better ways to prevent cavities in adults with fluoride treatments most commonly used on kids.

Kansas is the overall No. 1 seed. North Carolina got another of the top spots. The other No. 1s, Virginia and Oregon, were considered surprises in some circles. The 68-team tournament starts Tuesday.

It's Pi Day, the day regular people gawk at the brilliance and beauty of a mathematical constant. We focus on why pi still captures our imagination thousands of years after it was first calculated.

St. Patrick's Day is on Thursday. London's mayor has fought budget cuts to put on traditional celebrations. Defying what he said were "penny pinchers" with "no poetry in their soul."

Flooding damaged the factory of a popular cookie factory, shutting down operations. After months of biscuit-less tea times, two cargo planes landed with the nation's favorite biscuits on board.

Turkish warplanes are conducting airstrikes against Kurdish targets in Northern Iraq, following a deadly car bomb that killed at least 37 people in Turkey's capital, Ankara.

Brazil is in the midst of an economic downturn. It's battling the Zika virus. And a deepening political crisis has sparked massive protests and calls for the president's resignation.

Pi is an introduction to the extraordinary mystery of math, say some. Others say pi is not special and needs to be reformed.

A hiker in Israel found a gold coin so rare that Israeli archaeologists say there's only one other with the same symbols known in the world.

Forget pie and pizza. The real way to celebrate the beauty of 3.14 is by reciting the most pi decimal points.