Newly revealed documents reveal that MI5 taught Brazilian secret police the techniques deployed by the 1964-85 military dictatorship in horrific prisons like Rio de Janeiro’s House of Death. SARA VIVACQUA reports
ON JANUARY 24 last year, the Washington Times reported: “The deadly animal virus epidemic spreading globally may have originated in a Wuhan laboratory linked to China’s covert biological weapons program, according to an Israeli biological warfare expert.”
Reporter Bill Gertz based his story on a five-year-old broadcast on Radio Free Asia about the Wuhan virology institute and his interview with Dany Shoham, “a former Israeli military intelligence officer who has studied Chinese bio warfare.”
Shoham reckoned the institute was “probably” engaged in research and development linked to a secret Chinese biological weapons programme. Sars and other coronaviruses were “probably” being held at the institute and it was “possible” they were part of this work.
STEPHEN BELL reports from a delegation that traced the steps of China’s socialist revolution from its first modest meetings to the Red Army’s epic 9,000km battle to create the modern nation that today defies every capitalist assumption
One of the major criticisms of China’s breakneck development in recent decades has been the impact on nature — returning after 15 years away, BEN CHACKO assessed whether the government’s recent turn to environmentalism has yielded results
What’s behind the stubborn gender gap in Stem disciplines ask ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT in their column Science and Society
200 years since the first dinosaur was described and 25 after its record-breaking predecessor, the BBC has brought back Walking with Dinosaurs. BEN CHACKO assesses what works and what doesn’t



