Volume 90 | Number 6 | November-December 2002
Scott Wiedensaul's The Ghost With Trembling Wings tells of the challenges of working in the dim twilight at the edge of species extinction
Jennet Conant tells the long-neglected but thrilling story of financier-turned-scientist Alfred Lee Loomis and the MIT Radiation Lab in Tuxedo Park
General Leslie R. Groves supervised the Manhattan Project with a pragmatism well conveyed by Robert S. Norris's Racing for the Bomb
A review of The Illusion of Conscious Will, by Daniel M. Wegner
A review of Cahokia: Mirror of the Cosmos, by Sally A. Kitt Chappell
A review of The Way We Think: Conceptual Blending and the Mind's Hidden Complexities, by Gilles Fauconnier and Mark Turner
A review of Sex: A Natural History, by Joann Ellison Rodgers; and The Science of Romance: Secrets of the Sexual Brain, by Nigel Barber
A review of Hydrogen: The Essential Element, by John S. Rigden
Total Records : 14
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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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