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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.
New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.
New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.
New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Farmers are attempting to replace chemical pesticides with living organisms which can destroy nuisance insects and weeds, but are harmless to other wildlife

EXAMINE any leafy plant during the warm, sunny months of summer and you are almost certain to find animals on it. Bees and hoverflies searching for nectar, aphids tapping into the sugar-rich sap, larvae feeding continuously to fuel their rapid growth – all these are part of the natural interdependence of living things. Or are they? The caterpillar munching steadily through a green leaf just might be helping another species – humans – in its fight for survival.

Producing enough…

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