As President Trump takes office, BBC News teams in Washington and London report on the events that are shaping our world.

Series exploring strange behaviour in the animal kingdom focuses on breeding rituals, from dancing scorpions to mice that mate themselves to death. Show more

Wildlife documentary series presented by David Attenborough. A look at survival in grasslands, from Asia's saiga antelope to the giant anteaters of Brazil. Show more

Professor Armand Leroi, an evolutionary biologist, explores the 'scientific history of pop music' and attempts to use the data to create a hit record with producer Trevor Horn. Show more

Mark Radcliffe presents a countdown of the ten songs which have earned the most money of all time - ten classic songs each with an extraordinary story behind them. Show more

Guard Ivan is concerned about his friend Jenni, the ticket inspector on the romantic Nilgiri Mountain Railway line, because Jenni is still a bachelor. Show more

Frank Skinner and Suzy Klein explore the golden age of variety theatre, from the start of the 20th century to the outbreak of the Second World War. Show more

Michael Grade reveals the story of General Tom Thumb, the world's first global show business celebrity, who went from humble beginnings in America to international superstardom. Show more

Wildlife documentary series presented by David Attenborough. A look at survival in grasslands, from Asia's saiga antelope to the giant anteaters of Brazil. Show more