Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could listen to what they were saying? Nanophysicist Fatima AlZahra'a Alatraktchi invented a tool to spy on bacterial chatter and translate their secret communication into human language. Her work could pave the way for early diagnosis of disease -- before we even get sick.

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Paul du Saillant (DGD d'EssilorLuxottica) : "Notre thermomètre, ce n'est pas le cours de Bourse !"