Rare and powerful compounds, known as keystone molecules, can build a web of invisible interactions among species. The biological world is awash in chemical signals. Ants lead their nest mates to food ...
Dying coral reefs, rainforests transforming into savannas, grasslands turning into deserts – these are ecosystem “tipping points”, boundary lines we’re desperate not to cross. In dynamic systems ...
For decades, ecologists have puzzled over a mystery: Why do some natural habitats get overrun by invasive species while others seem to repel outside threats? In a classic 1958 book on the subject, the ...
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