More to rainbows than meets the eye

In-depth review charts the scientific understanding of rainbows and highlights the many practical applications of this fascinating interaction between light, liquid and gas.

Scientists explore oil clean-up properties of aquatic ferns

Certain varieties of aquatic floating weeds demonstrate an impressive ability to selectively absorb oil from contaminated water. These plants, which are often regarded as a nuisance, could in fact provide an extremely convenient ...

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