Could eternal dictators rule the world? The Chinese and Russian premiers have been caught discussing living forever. But some think this is a pipe dream fuelled by big tech and wishful thinking.
Putin and Xi’s secret immortality chat
Perpetual politicians: Vladimir Putin and Xi Jinping show no sign of wanting to hand over leadership to younger figures. Glossary
Hot mic - When a microphone is accidentally left turned on, amplifying a comment that was meant to be private.
Biotechnology - Technology based on biology, integrating natural sciences and engineering.
Authoritarian - Enforcing strict obedience to authority.
Pandemic - An outbreak of disease which occurs across a wide geographic area, as opposed to an epidemic, which is confined to a particular region.
Acuity - The sharpness or clarity of perception.
Blood plasma - The liquid part of blood that carries blood cells and nutrients throughout the body.
Stem cells - Unspecialised cells that have the ability to develop into different types of cell.
Repressive - Preventing personal freedom.
Revolution - A sudden change in the way things are done.