Assignment to Berlin

As the NHS prepares to start offering a more accurate blood test for Downs Syndrome to expectant parents in England, Nina Hossain is in Denmark, where the same test has been available for a year. Nina explores a unique partnership between hospitals and families, which aims to provide more information about raising a child with Downs. Plus, nearly 30 years after the city's last serious earthquake, Geraint Vincent hears how San Franciscans are preparing for the next seismic shock. Peter Smith is in Berlin exploring Free Body Culture.

Carl Dinnen investigates the controversial use by police in Detroit of facial recognition software, which is said to misidentify African-American faces at higher rates than white ones. Tom Clarke travels to Colombia to meet a man fighting to save South America's elusive pink river dolphins from extinction, while Lucrezia Milarini is in Berlin, where the city council has approved drastic measures to curb surging rents.