C15

  less than a minute  

R15.1.1 Nutmeg – a valuable spice

R15.1.2 Driverless cars

R15.1.3 What is exploration?

R15.2.1 Could urban engineers learn from dance?

R15.2.2 Should we try to bring extinct species back to life?

R15.2.3 Having a laugh

R15.3.1 Henry Moore (1898-1986)

R15.3.2 The Desolenator producing clean water

R15.3.3 Why fairy tales are really scary tales

R15.4.1 The return of the huarango

R15.4.2 Silbo Gomero - the whistle 'language'，of the Canary Islands

R15.4.3 Environmental practices of big businesses

Last modified January 13, 2023: fix (26555dc)