Dave Davies

Journalist HEIDI BLAKE talks about investigating 14 suspected assassinations in Britain of exiled Russian oligarchs, security officials and others, targeted by Putin because they were critical of the Kremlin. Her new book is 'From Russia with Blood.'

Our ears are complicated, delicate instruments that largely evolved in far quieter times than the age we currently inhabit — an early world without rock concerts, loud restaurants, power tools and earbuds.

Writer David Owen describes our current age as a "deafening" one, and in his new book, Volume Control, he explains how the loud noises we live with are harming our ears.