Unlike earlier research, which often used video clips or other methods to simulate crimes and witnesses, the Illinois study was the first and only one to compare the two methods in the field using actual cases.

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The participants focused on two areas: improving Dr Agrawal's technique, and using similar methods to attack other problems in number theory.

ECONOMIST: Number theory

The two most common methods for rebalancing are by a calendar date or by using percentage bands.

FORBES: Choices in Portfolio Rebalancing

Two of our young experts have played a role in the hot field of using high tech methods to understand the brain.

FORBES: 30 Under 30: The Rising Stars Transforming Science And Health

Two new methods could help scientists overcome ethical and practical hurdles that are holding back research using embryonic stem cells.

FORBES: Stem Cell Science Heats Up