May 2005

The Truth About Invasive Species

How to stop worrying and learn to love ecological intruders

by Alan Burdick

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May

Departments

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by Susan Kruglinski

Bogglers Solutions

Bogglers

by Scott Kim

Reviews

Sky Lights

Scientists celebrate a strange universe in which space can bend and time can stop
by Bob Berman

Vital Signs

End-of-term complications in a difficult pregnancy almost kill a mother
by Steward Massad

The Physics of . . . Popcorn

Scientists have doubled the payload of today's popcorn—at the expense of taste
by Joshua Foer

Emerging Technology

If only publishers would let us cut, paste, forward, and even change their words
by Steven Johnson [stevenberlinjohnson.com]

Discover Dialogue: Evolutionary Biologist Mark Pagel

Human cultural groups have behaved as if they were different species
by Kathy A. Svitil

Letter From Discover

Letters

Contributors