Health Science World

Did Covid come from a Wuhan lab? What we know so far

President Joe Biden has ordered US intelligence agencies to conduct a 90-day review of what is known about the origins of Covid-19 and whether it

Science World

China rejects Biden’s call to examine Covid origin theories

China has hit out against Joe Biden’s calls for a fuller US investigation into how Covid-19 was first transmitted to humans, questioning Washington’s motives and


Spy who got the cold shoulder: how the west abandoned its star defector

On a cold winter’s day, eight months before the Berlin Wall went up in 1961, the west’s most valuable double agent went on the run