Stories worth investing in: Demographic collapse, Bird flu, Billionaires and next gen obesity drugs

Further reading for the weekend: plus trade surpluses, Elon Musk’s spat, the singleton generation and Return to Office speeds up

Factoids

It doesn’t pay to speak the truth in China. Gao Shanwen, the chief economist at Chinese state-owned financial firm SDIC Securities, was forbidden from speaking publicly after he questioned China’s official statistics at a public forum in Washington DC in December.

“We do not know the true number of China’s real growth figure,” Gao said on Decembe…