“Feel this? See how your hair feels coarse like a Barbie’s?” my hairstylist Cortney Bliss of Craft + Theory Hair Company asked as she rinsed my shampoo out one day last year. Yeah, I had noticed—but I ...

A tangled surface of Teflon-coated silicon nanowires can be used to electronically tune the shape of water droplets, research shows. The trick could lead to sophisticated new chemistry techniques, in ...

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