Chinese scientists have developed a "heart-on-a-chip" device to mimic the beat and contraction of cardiac muscle cells in vitro, which could replace non-human animal models for drug screening.
SENEGAL | DAKAR：08.14 22:20
NIGERIA | LAGOS：08.14 23:20
EGYPT | CAIRO：08.15 00:20
UAE | DUBAI：08.15 02:20
SRI LANKA | COLOMBO：08.15 03:50
SINGAPORE：08.15 06:20
ENGLAND | LONDON：08.14 23:20
RUSSIA | MOSCOW：08.15 02:20
CHINA | BEIJING：08.15 06:20
AMERICA | Los Angels：08.14 15:20
AMERICA | New York：08.14 18:20
BRAZIL | San Paulo：08.14 19:20
