A review of A Troublesome Inheritance: Genes, Race, and Human History, by Nicholas Wade
James G. Lewis
A review of Arming Mother Nature: The Birth of Catastrophic Environmentalism, by Jacob Darwin Hamblin
A review of Lost Animals: Extinction and the Photographic Record, by Errol Fuller
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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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