Volume 89 | Number 3 | May-June 2001
A review of Mathematics as Sign: Writing, Imagining, Counting, by Brian Rotman.
A review of Primate Conservation Biology, by Guy Cowlishaw and Robin Dunbar.
A review of Promiscuity: An Evolutionary History of Sperm Competition, by Tim Birkhead.
A review of Mathematical Methods for Physicists: A Concise Introduction, by Tai L. Chow and Modern Mathematical Methods for Physicists and Engineers, by Cyrus D. Cantrell.
A review of The Ape and the Sushi Master: Cultural Reflections of a Primatologist, by Frans de Waal.
A review of The Extended Organism: The Physiology of Animal-Built Structures, by J. Scott Turner.
A review of Human Natures: Genes, Cultures, and the Human Prospect, by Paul R. Ehrlich.
A review of Creative Collaboration, by Vera John-Steiner.
Total Records : 17
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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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