HOME > PAST ISSUE

On the Cover

March-April 2002 Volume 90, Number 2

On the cover:

Hiding among the thousands of newborn stars in the heart of the Orion ...

FEATURE ARTICLES

Manatees, Bioacoustics and Boats

Edmund Gerstein

Hearing tests, environmental measurements and acoustic phenomena may together explain why boats and animals collide

Free-Floating Planets and Stellar Clusters *

Jarrod Hurley, Michael Shara

Scientists have been looking for planets in strange places, far from their parent stars, within some of the densest star clusters in the Galaxy

Adaptive Radiation of Darwin's Finches *

B. Rosemary Grant, Peter Grant

Recent data help explain how this famous group of Galapagos birds evolved, although gaps in our understanding remain

Computers, Paradoxes and the Foundations of Mathematics *

Gregory Chaitin

Some great thinkers of the 20th century have shown that even in the austere world of mathematics, incompleteness and randomness are rife

The Rise and Fall of Rudist Reefs *

Claudia Johnson

Reefs of the dinosaur era were dominated not by corals but by odd mollusks, which died off at the end of the Cretaceous from causes yet to be discovered

* access restricted to members and subscribers

SCIENTISTS’ BOOKSHELF

A Naturalist in Paradise

James Secord

A review of The Alfred Russel Wallace Reader: A Selection of Writings from the Field, by Jane R. Camerini, and Alfred Russel Wallace: A Life, by Peter Raby

See all book reviews for this issue.