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Obesity: An Overblown Epidemic?

A growing number of dissenting researchers accuse government and medical authorities—as well as the media—of misleading the public about the health consequences of rising body weights

By W. Wayt Gibbs

How Animals Do Business

Humans and Other Animals Share a Heritage of Economic Tendencies--Including Cooperation, Repayment of Favors and Resentment at Being Shortchanged

By Frans B. M. de Waal

The Morning of the Modern Mind

Controversial discoveries suggest that the roots of our vaunted intellect run far deeper than is commonly believed

By Kate Wong

Making Cold Antimatter

Low-energy atoms of antihydrogen will enable researchers to test a fundamental property of the universe

By Graham P. Collins

Doubt Is Their Product

Industry groups are fighting government regulation by fomenting scientific uncertainty

By David Michaels

Conversational Computers

Efforts to make computers speak naturally will let machines better communicate meaning

By Andy Aaron, Ellen Eide and John F. Pitrelli

Buying Time in Suspended Animation

An ability to put the human body on hold could safeguard the critically injured or preserve donor organs for transport. Does the power to reversibly stop our biological clocks already lie within us?

By Mark B. Roth and Todd Nystul


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