Volume 88 | Number 3 | May-June 2000
A review of The Dangerous Passion: Why Jealousy Is as Necessary as Love and Sex, by David Buss.
A review of Taboo: Why Black Athletes Dominate Sports and Why We're Afraid to Talk About It, by Jon Entine.
A review of Gatherings of Angels: Migrating Birds and Their Ecology, edited by Kenneth P. Able.
A review of The Sun in the Church: Cathedrals as Solar Observatories, by J. H. Heilbron.
A review of How We Believe: The Search for God in an Age of Science, by Michael Shermer.
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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