PRESS REVIEW – Wednesday, January 7: Repression of protests intensifies in Iran, at a difficult moment for the regime. In other news, while Democrats commemorate the January 6 Capitol riot as a dark day for American democracy, the Trump White House issues its own account of events. Also, a new study sheds light on the sleeping habits of jellyfish. Finally, amid an icy spell across Europe, experts advise walking like a penguin to prevent slippage.