LifeThe secret life of science in the second world war From Churchill's nuclear predictions to Darwin's influence on the Nazis, four books explore the deeper levels of a history that continues to fascinate us CultureLab
EarthLost river guided early humans out of Africa A climate model shows the Sahara desert once had three lush rivers. One led humans to the North African coast, from where they headed to the Middle East ¿ìè¶ÌÊÓÆµ