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
Biotechnology - Technology based on biology, integrating natural sciences and engineering.
Immortality - Staying alive forever.
Authoritarian - Enforcing strict obedience to authority.
Rapidly - Very quickly.
Strongman - A leader who is famously for physical strength, or for ruling by showing force.
Term limit - A limit to how long someone, often a prime minister or president, can stay in a certain job.
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.
Revolution - A sudden change in the way things are done.