Volume 93 | Number 6 | November-December 2005
A review of Mathematical Illustrations: A Manual of Geometry and PostScript, by Bill Casselman. A PostScript tutorial that addresses the role of computer graphics in geometrical illustrations.
A review of Climate Change and Biodiversity, edited by Thomas E. Lovejoy and Lee Hannah. Global warming could lead to the biggest mass extinction since that of the dinosaurs.
A review of When Physics Became King, by Iwan Rhys Morus. A masterfully written analysis of the importance of physics to 19th-century economies and ideas of nationalism.
A review of Fortune's Formula: The Untold Story of the Scientific Betting System that Beat the Casinos and Wall Street, by William Poundstone. How gamblers and investors have used the Kelly criterion to maximize the growth rate of their wealth.
A review of Out of Eden: An Odyssey of Ecological Invasion, by Alan Burdick. Is nature itself becoming the greatest threat to biological diversity?
Total Records : 15
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ANIMATION: Hydrangea Colors: It’s All in the Soil
The Hydrangea macrophylla (big-leafed hydrangea) plant is the only known plant that can 'detect' the pH level in surrounding soil!
One of the world’s most popular ornamental flowers, it conceals a bouquet of biological and biochemical surprises. The iconic “snowball” shaped hydrangea blooms are a common staple of backyard gardens.
Hydrangea colors ultimately depend on the availability of aluminum ions(Al3+) within the soil.
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