Volume 91 | Number 2 | March-April 2003
The Particle Odyssey is a richly illustrated survey of experimental developments and evolving theories in particle physics.
In The Millennium Problems, Keith Devlin tries to describe in lay terms "The Seven Greatest Unsolved Mathematical Puzzles of Our Time." But no nonmathematician is going to even understand whey they're important, let alone win the million-dollar prize for solving one.
Linked: The New Science of Networks, by Albert-László Barabási, offers a fresh and inspiring view of complex systems.
Dick Teresi's new book on the non-Western roots of modern science, Lost Discoveries, poses as revisionist history while preaching to the choir.
In The Measure of All Things, Ken Alder uses the story of how the meter was created to press a set of broader assertions about what science is and how it has changed in the past three centuries.
David Sloan Wilson argues in Darwin's Cathedral that religions are the product of natural selection.
Fractal patterns formed by turning circles inside out are explored in Indra's Pearls.
In The Hydrogen Economy, Jeremy Rifkin correctly identifies our biggest problem, but the book isn't part of the solution.
Patricia Fara's Newton: The Making of a Genius depicts the transformation of Newton's image and reputation over the centuries by philosophers, poets, artists, scientists and bureaucrats.
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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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