Feature

Who Should Be Born?

Will the Continents Quit Drifting in a Billion Years?

Front Matter

Pioneering Way to Jupiter

A Speculative Model for Cell Biology

Blue Ribbon for Iridium

Books of the Week

Plasticizers: New Entry on List of Suspected Contaminants

Cannikin’s 7.0 Explosion Causes Local Damage Only

Trying to Clear the Air on Air Pollution

Giving Reason to Rhythm: Inducing Ovulation

Learning and Memory Transfer: More Experimental Evidence