No contraceptive is perfect, but can you trust apps to stop pregnancy?
Birth control app Natural Cycles has come under fire for unwanted pregnancies, but this just reveals how little we understand contraception
It’s time to embrace video games as an Olympic sport
They may compete from the comfort of a chair, but video gamers are in the mix at this year's Asian games and are on track for Olympic stardom, says Mark Zastrow
Some clouds are formed when a virus makes algae shed their shells
When algae in the ocean get a virus, they shed their exoskeleton and those chalky bits can get flung into the air and trigger the formation of clouds
Doctors will grow human tissue on the International Space Station
Liver tissue and muscle fibre are going to be grown on the ISS, to see if we can one day grow human organs in space
Weird circles in the sky may be signs of a universe before ours
A theory suggesting that the universe is constantly reborn could be proved right by ‘Hawking points’ – signs of evaporated black holes from a time before the big bang
Why taking ayahuasca is like having a near-death experience
A psychedelic drug produces effects similar to near-death experiences. The finding suggests changes to brain activity may explain such paranormal phenomena
Sterile fish could help wild salmon dodge the ‘gene pollution’ effect
Farmed Atlantic salmon make the local wild salmon population weaker. Making them sterile could work – but there’s a catch
Sticking brain cells together with glue could boost and protect memory
Can a chemical that reinforces the connections in our brains prevent the destruction of memories in ageing and Alzheimer’s? It seems to work in mice
We have finally figured out how to snap spaghetti into two pieces
Snap a piece of dry spaghetti and you will always end up with three or more pieces - but now mathematicians have figured out how to get a single clean break
Why forecasting how hot it will be in 2022 is mostly a gimmick
It will never be possible to forecast weather years ahead, but we can predict the average global temperature four years from now. Trouble is, that’s not that useful