Volume 87 | Number 3 | May-June 1999
A review of The Natural Philosophy of James Clerk Maxwell, by P. M. Harman.
A review of Mind Games: American Culture and the Birth of Psychotherapy, by Eric Caplan.
A review of Strangers in the Night: A Brief History of Life on Other Worlds, by David Fisher and Marshall Fisher, Worlds Without End: The Exploration of Planets Known and Unknown, by John Lewis and Life on Other Worlds: The 20th Century Extraterrestrial Life Debate, by Steven Dick.
A review of Dark Life: Martian Nanobacteria, Rock-Eating Cave Bugs, and Other Extreme Organisms of Inner Earth and Outer Space, by Michael Ray Taylor.
A review of High Life: A History of High Altitude Physiology and Medicine, by John B. West.
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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