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Volume 92 | Number 2 | March-April 2004


String Theory

Eleanor Robson

Gary Urton unravels the mysteries of khipu, the complex knotted-string records kept hundreds of years ago by the

A Scientific Entrepreneur

Bruno Strasser

A new biography of geneticist George Beadle, who worked with three different model organisms in less than 20 years, shows that his transitions from maize to fruit flies to fungus proved crucial to his intellectual contributions

Beyond the Law

Eric Stover

In a scientifically advanced, affluent age, why are so many of the world's poor deprived of access to health care? Paul Farmer has some answers


Total Records : 14


 

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ANIMATION: Hydrangea Colors: It’s All in the SoilHydrangeaAnimation

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.
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