This week`s column answers more questions from Chicago Tribune readers. Q–On a Chicago radio show recently, I heard that coins issued for the Chicago World`s Fair of 1893 are quite valuable. Is that ...

In an economic downturn, it might be tough to get your head around this: rare sheets of $100,000 bills, fabulous gold treasures dating back to the California Gold Rush era, rare coins including those ...

It will be held from 11am to 8pm daily until Jan 11, and entrance is free. Read more at straitstimes.com. Read more at ...

For decades, flipping a coin has symbolized perfect randomness—a fair, 50/50 chance between heads and tails. But research ...

A mathematician explains how to get a fair result from a biased coin. Nov. 7, 2010 — -- I've always loved the idea of coin flips, and hence this paean to a few of their properties. One of the ...

ALBUQUERQUE, N.M. (KRQE) – The Albuquerque Coin Club is the largest coin club within 400 miles and includes over 200 members. The club supports numismatic education for its members and the public. The ...

When you throw a coin in the air to make a decision, you’d expect the outcome of the toss to be 50-50 whether you catch it or let it land on the ground. But, according to randomness expert Persi ...

All bets are off, because it turns out that flipping a coin — which is rather questionably used to tie-break elections across the world — isn’t actually a fair fifty-fifty chance. As part of a new, ...