One of the areas where I keep coming across a lot of misinformation relates to Covid-19 testing. I covered all the various misconceptions surrounding polymerase chain reaction (PCR) testing, including what it can and can’t detect, whether there are lots of false positives and whether the inventor of PCR really said PCR shouldn’t be used […]
Introduction This is an article inspired by the BBC podcast How They Made Us Doubt Everything. It explores the techniques used by those wanting to delay or stop action on climate change, and the disproportionate impact these have had on public opinion. I am not a climate scientist but my work has been connected with […]
The night sky is an insufficiently appreciated wonder. On a dark and moonless night on Dartmoor, far from city lights, you can see a few thousand stars with the unaided eye. Yet this is just a tiny fraction of the 100,000,000,000 stars in our galaxy. We now know that a very high proportion of these […]
“Touchdown confirmed,” a woman’s voice announced over the public address system. “Perseverance safely on the surface of Mars, ready to begin seeking the sands of past life.” The NASA control room erupted. Staff were on their feet, their arms raised in a victory ‘V’, whooping and hollering. The only difference between this and past scenes […]