
Scientists can deduce someone’s lifestyle –grooming products they use, food they eat and medications they take– from chemicals found on the surface of their mobile phone.

Scientists can deduce someone’s lifestyle –grooming products they use, food they eat and medications they take– from chemicals found on the surface of their mobile phone.

“Beats” by Dre headphones, which can sell for as much as $450, only cost about $14 to produce.