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## Erica Klarreich's Articles

- Feature
## Oddballs

Mathematicians have found that it's easier to pack spheres in some dimensions than it is in others. - Feature
## Generous Players

Game theory is helping to explain how cooperation and other self-sacrificing behaviors fit into natural selection. - Feature
## Theorems for Sale

In April, an eBay auction offered math enthusiasts the rare opportunity of linking their names with one of the most famous mathematicians of the 20th century. - Feature
## Glimpses of Genius

By studying a puzzle that Archimedes pondered 2,200 years ago, mathematicians are obtaining new insights into its intriguing geometric structure. - News
## Primal Progress: Pattern hunters spy order among prime numbers

The population of prime numbers includes an infinite collection of arithmetic progressions. - Feature
## Math Lab

Computers are starting to give mathematicians the lab instrument that they have been missing. - News
## Quantum sentinels

Quantum physics may soon help physicians track whether a cancer has spread. - News
## Toss Out the Toss-Up: Bias in heads-or-tails

Coin tossing is inherently biased, with the coin more likely to land on the same face it started on. - News
## The calculus of love

Mathematical equations can predict whether a couple will divorce. - Feature
## Computation's New Leaf

Plants in which large numbers of simple units interact with one another appear to compute how to coordinate the actions of their cells effectively.