Researchers at the University of Michigan in the US develops the "world's smallest computer." With sides measuring just 0.3 mm, the device is dwarfed by a grain of rice.
Sir Fazle Hasan Abed, founder and chairperson of Brac, has received the Thomas Francis Jr Medal in Global Public Health award from the University of Michigan.
Two farmers in rural Michigan have uncovered a woolly mammoth skeleton in a soybean field.
