Science - The i Paper

The rise in short-sightedness is not directly caused by too much screen time, but a related change in children's behaviour. Fortunately it can be reversed

Promising new cancer treatment is based on sequencing a tumour's DNA and making a patient's immune system attack their cancer cells

More and more people are buying the drugs from unlicensed online sellers – here’s what you need to know

The rare astronomical event meant some extraordinary photography of the natural phenomenon

The thymus was once thought to be nearly useless in adults - now scientists think it could be vital for our health

New preliminary research suggests it is the amount of fat, salt and sugar in our diet that determines how healthy it is, rather than if it is homemade or pre-prepared

Sparked by the fierce wildfires near Bordeaux, terrifying storm-generating clouds are rising high into the air and fuelling the flames

Like all medical interventions there are risks as well as benefits - and the chance of infertility may be one of them

Relaxation techniques, brain retraining and talking therapies are some of the ways that people have been recovering

Some people have naturally low levels of a gut hormone which encourages weight loss and may lose twice as much if they start taking prescription slimming drugs

Air conditioners have a reputation of being bad for the climate, but their impact is negligible

Temperatures once only seen in the south are moving north thanks to global warming

Technology is improving faster than ever, so why doesn't your phone's power seem to last as long as it used to?

The UK is set for a hotter summer than average – and with it comes some unwelcome effects

Most of the country faces temperatures in the 30s – but the Met Office says it’s not at the 'red' alert level yet

Mechanical fans still have a role to play and they make a room feel cooler by 4°C

Angry people on social media claim the current high temperatures are nothing special but they ignore the long-term trends

Hot, sweaty and still staring at the ceiling as dawn breaks? Here's why – and what you can do about it

High humidity makes heat harder to bear than air temperature alone would suggest - and lives could be at risk