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Using math to skate on thin ice

Falling into a frozen lake is scary, painful and potentially deadly. That’s why skaters that regularly glide across thin ice are thought to be crazy — but there’s a good deal of complex math involved to make it work. Using the power of numbers, thin-ice skaters can avoid plunging to their doom, and look really cool while they do it! (No pun intended.)

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Stop robocalls once and for all

Robocalls are not only annoying, but they scam Americans out of millions every year. Learn Kim's tricks for stopping them for good in this handy guide.

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