Will womb transplants transform fertility? What should we make of 'de-extinction' claims? And why are prices falling in the art market? Arion McNicoll and The Week delve behind the headlines and debate what really matters from the past seven days. With Cindy Yu, Harriet Marsden and Holden Frith. Olly Mann is on holiday. Image credit: Jean-Christophe Verhaegen / AFP / Getty Images