"The inflation concern makes the government much more willing to exercise this tool, " said Shang-Jin Wei, Professor of Chinese Business and Economy at Columbia University.

WSJ: China Fines Unilever for Price Comments

"North Korea intends to show off its missile capability and continuously raise tensions on the Korean peninsula, " said Yang Moo-jin, a professor at the University of North Korean Studies in Seoul.

WSJ: North Korea Moves Missile to Its East Coast

"This is the first evidence that myostatin regulates muscle mass in people as it does in other animals, " said Dr Se-Jin Lee, professor of molecular biology and genetics at Johns Hopkins University and one of those involved in the study.

BBC: Myostatin controls the growth of muscles