High pressures squeeze and crush, but low pressures damage too. Losing the atom-level buzz that keeps us held safe in the balance of internal and external pressure releases dangerous storms, disorientation and pain, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

THE recent memorials to the atrocities committed by Nazi Germany as well as the way the Palestinians of Gaza have resisted attempts to wipe them out has made me think about the centuries-old attempts to eliminate Africans.
No! I do not think this is exaggerating what has happened to people of African descent during centuries of humiliation and exploitation. What happened was mass murder, torture on a mega-industrial scale and centuries of expecting people of African descent to be grateful for what we have.
Significant among the genocidal attacks on Africans was, of the course, the transatlantic slave trade which ran from the 15th to the 19th century.

A chance find when clearing out our old office led us to renew a friendship across 5,000 miles and almost nine decades of history, explains ROGER McKENZIE