Volume 90 | Number 2 | March-April 2002
A review of The Universe in a Nutshell, by Stephen Hawking
A review of Beyond the Last Village: A Journey of Discovery in Asia's Forbidden Wilderness, by Alan Rabinowitz
A review of The Silver Lining: The Benefits of Natural Disasters, by Seth R. Reice
A review of The World According to Pimm: A Scientist Audits the Earth, by Stuart L. Pimm
A review of Lords of the Harvest: Biotech, Big Money, and the Future of Food, by Daniel Charles, and The Green Phoenix: A History of Genetically Modified Plants, by Paul F. Lurquin
A review of Science, Truth, and Democracy, by Philip Kitcher
A review of Megawatts and Megatons: A Turning Point in the Nuclear Age? by Richard L. Garwin and Georges Charpak
A review of Uncle Tungsten: Memories of a Chemical Boyhood, by Oliver Sacks
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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