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## Erica Klarreich's Articles

- Feature
## Bookish Math

Statistical tests and computation can help solve literary mysteries surrounding the authorship of well-known works. - Feature
## Bookish Math

Statistical tests and computation can help solve literary mysteries surrounding the authorship of well-known works. - Feature
## The Shape of Space

The debate over the shape of space has taken some new twists with the analysis of satellite snapshots of the universe's temperature waves. - Feature
## Best Guess

Economists are exploring the use of betting markets as tools for predicting the consequences of policy decisions by a government, corporation, or other institution. - News
## Faulty Memory: Long-term immunity isn't always beneficial

Quickly losing immune-system defenses against some viruses may protect humans from far nastier bugs, a mathematical model suggests. - Feature
## Infinite Wisdom

A mathematician has proposed a new approach to resolve a long-standing question about infinite sets of numbers. - News
## Small World After All: Short e-mail chains reach targets worldwide

A large-scale study of e-mail users has borne out the notion that one person on the planet can reach any other person through a chain of about six social ties. - News
## Ideal Justice: Mathematicians judge the Supreme Court

The current U.S. Supreme Court of nine judges behaves as if it were made up of 4.68 "ideal" justices who make their decisions completely independently, a mathematical analysis suggests. - Feature
## If It Looks Like a Sphere...

A Russian mathematician has proposed a proof of the Poincaré conjecture, a question about the shapes of three-dimensional spaces. - News
## Uncovering a prime failure

Mathematicians have returned to the drawing board after what looked like a dramatic step forward in understanding prime numbers.