Volume 86 | Number 1 | January-February 1998
A review of The Terrestrial Eocene-Oligocene Transition in North America, edited by Donald R. Prothero and Robert J. Emry.
A review of Korolev: How One Man Masterminded the Soviet Drive to Beat America to the Moon, by James Harford.
A review of Impact! The Threat of Comets and Asteroids, by Gerrit L. Verschuur, Asteroid: Earth Destroyer or New Frontier?, by Patricia Barnes-Svarney and Mining The Sky: Untold Riches from the Asteroids, Comets, and Planets, by John S. Lewis.
A review of The Late Devonian Mass Extinction: the Frasnian/Famennian Crisis, by George R. McGhee, Jr.
A review of Global Change and Terrestrial Ecosystems, edited by Brian Walker and Will Steffen.
A review of The Evolutionary Biology of Plants, by Karl J. Niklas.
A review of Natural Change and Human Impact in Madagascar, edited by Steven M. Goodman and Bruce D. Patterson.
Total Records : 27
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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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