Gesamtlänge aller Episoden: 14 days 4 hours 1 minute
The world’s greatest migration - countless birds fly north from Australia to the Arctic
Kathy Clugston is anosmic - she has no sense of smell and sets out to discover why
Aristocrat writer and thinker Margaret Cavendish and the birth of the scientific method
The riddle of the 19th century French meteorite that carried a secret for 100 years.
Will Einstein’s successors be African? It’s very likely - and some of them will be women