The Egyptian-born Nobel-winning scientist Ahmed Zewail has died in the US, aged 70. Mr Zewail won the Nobel chemistry prize in 1999 for his pioneering work in femtochemistry, the study of chemical reactions in ultra-short time scales.

http://ift.tt/2aQpT4n

Submitted August 03, 2016 at 02:25PM by madam1 http://ift.tt/2az9Se5