‘Everything is quagga mussel now’: can invasive species be stopped?
On a recent trip to Lake Geneva in Switzerland, biodiversity reporter Phoebe Weston witnessed the impact of one of the planet’s most potent invasive s...
Why are women turning to testosterone?
Just like men, women are increasingly being told by online influencers that the classic symptoms of middle age could be down to low testosterone. In t...
Are men being misled over testosterone?
If TikTok influencers are to be believed, testosterone, or T, is the answer to everything from fitness frustrations and fatigue to low libido. But doc...
Has the world entered an era of ‘water bankruptcy’?
Last week, a UN report declared that the world has entered an era of ‘global water bankruptcy’ with many human water systems past the point at which t...
How positivity affects health, the rise of scabies and bovine intelligence
The Guardian’s science editor, Ian Sample, talks to Madeleine Finlay about three eye-catching science stories from the week, including a study that su...
Is your body really full of microplastics?
Studies detecting microplastics throughout human bodies have made for alarming reading in recent years. But last week, the Guardian’s environment edit...
The surprising science of dreams and nightmares
Ian Sample puts listeners’ questions on dreams and nightmares to Dr Michelle Carr, director of the Dream Engineering Laboratory in Montreal’s Centre f...
How to sleep well in 2026
Ian Sample puts listeners’ questions on sleep to Dr Allie Hare, consultant physician in respiratory and sleep medicine at Guy’s and St Thomas’ hospita...
Our science predictions for 2026
Last year was full of unexpected science news, from the discovery of a new colour, to the interstellar visitor 3I/Atlas passing by our solar system, a...
Crude appeal: why Trump wants Venezuela’s oil
The US capture of Nicolás Maduro and his wife, Cilia Flores, on Saturday left many people wondering why? Donald Trump hinted at an answer when he clai...