Volume 90 | Number 4 | July-August 2002
A review of What It Means To Be 98% Chimpanzee: Apes, People, and Their Genes, by Jonathan Marks
A review of Time Traveler: In Search of Dinosaurs and Ancient Mammals from Montana to Mongolia, by Michael Novacek
A review of Meteorite Hunter: The Search For Siberian Meteorite Craters, by Roy A. Gallant
A review of Upheaval from the Abyss: Ocean Floor Mapping and the Earth Science Revolution, by David M. Lawrence and Plate Tectonics: An Insider's History of the Modern Theory of the Earth, Naomi Oreskes, editor (with Homer Le Grand)
A review of Flesh and Machines: How Robots Will Change Us, by Rodney A. Brooks
A review of A Convenient Spy: Wen Ho Lee and the Politics of Nuclear Espionage, by Dan Stober and Ian Hoffman
A review of Mechanizing Proof: Computing, Risk, and Trust, by Donald MacKenzie
A review of Lateral DNA Transfer: Mechanisms and Consequences, by Frederic Bushman
A review of Eye of the Albatross: Visions of Hope and Survival, by Carl Safina
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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