HumansA West African writing system shows how letters evolve to get simpler The characters used to write the Vai script, which was invented in Liberia in 1833, have become visually simpler over time, reflecting the evolutionary pressures acting on writing News
EnvironmentImages show the devastation of Cyclone Idai Cyclone Idai has devastated parts of Mozambique, Zimbabwe, and Malawi with winds reaching 170 kilometres per hour Regulars