Top: The Guggenheim Museum offers the White House Maurizio Cattelan’s America after turning down request for Van Gogh loan

Bottom: Purple Moon phenomena to appear in skies for the first time since 1982

Left: World Economic Forum 2018 co-chaired entirely by women

Right” The Hayward gallery reopens

Top: EU targets single-use plastic

Bottom: Blue Monday

Left – National Trust urges Ineos to reconsider Clumber Park fracking bid

Right – BBC China editor Carrie Gracie stands down over pay equality