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Stories by John Rennie

Introducing Earth 3.0

A letter from Scientific American's editor in chief, John Rennie, introducing this Special Edition of Scientific American

September 24, 2008 — John Rennie

Future Facts

Extraordinary developments spring from the intersection of science and fiction

March 19, 2008 — John Rennie

Worlds Apart

Physics and biology both reveal overlooked universes alongside our own

December 1, 2007 — John Rennie

Choosing Targets

In space and on Earth, progress depends on making smart choices

October 1, 2007 — John Rennie
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