Fungi strengthen plants to fend off aphids

Researchers at the University of Copenhagen have demonstrated that unique fungi strengthen the immune systems of wheat and bean plants against aphids. Fungi enter and influence the amount of a plant's own defenses, resulting ...

New clues help explain why PFAS chemicals resist remediation

The synthetic chemicals known as PFAS, short for perfluoroalkyl and polyfluoroalkyl substances, are found in soil and groundwater where they have accumulated, posing risks to human health ranging from respiratory problems ...

A Rosetta stone for planet formation

Planets are formed from the disk of gas and dust around a star, but the mechanisms for doing so are imperfectly understood. Gas is the key driver in the dynamical evolution of planets, for example, because it is the dominant ...

Caterpillars mimic leaves or offer rewards for protection by ants

For a caterpillar that lives surrounded by ants, there are two ways of avoiding attack: going unnoticed or offering the ants a sugary treat in exchange for protection. This is the main conclusion of a study funded by FAPESP ...

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