Where Has All the Eelgrass Gone?

A slide showing two different sets of eelgrass plants glowed on the screen. The set on the left seemed stunted and short. The set on the right had willowy, long shoots. If you knew nothing about eelgrass, you might conclude that the plants on the right were the...
The Nitrogen Cycle Lie

The Nitrogen Cycle Lie

The nitrogen cycle seems simple. As a gas, it’s the most abundant element in the atmosphere, but it can quickly be turned into organic nitrogen, ammonium or nitrate through fixation done naturally in ecosystems by microbes. It can then be used to fuel plant growth....

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