A promising natural technique to remove CO2 could backfire
Several start-ups have tried to grow seaweed to remove atmospheric CO2, but this could affect the levels of nutrients in the ocean and hamper other CO2-sucking processes
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Unapproved gene therapy for boosting longevity is set to go on sale
A gene therapy that instructs cells to produce more of an anti-ageing protein called klotho is about to be offered by a US company at overseas clinics to bypass FDA rules
Woman with Alzheimer's starts conversing again after taking psilocybin
A woman with severe Alzheimer's disease who hadn't spoken more than monosyllables in years began initiating conversation after a single dose of psilocybin
New-to-science spider builds trap that flings ants into the air
A spider living in the rainforests of Queensland, Australia, builds a snare trap reminiscent of a Roman-era ballista weapon that it uses to catapult green tree ants into a web 30 centimetres above
Fluctuating oestrogen levels may alter how drugs enter women's brains
Oestrogen levels fluctuate throughout a woman's menstrual cycle, which may impact how efficiently a drug that targets the brain can reach its destination
Hidden black hole could explain mystery at the heart of our galaxy
The area surrounding our galaxy’s central supermassive black hole contains three strangely different populations of stars – but one hidden black hole could explain all of them
Elite Maya people had teeth placed in a cave far from their tombs
A cave in Belize contains teeth from dozens of important Maya people buried elsewhere, which may attest to a ritual intended to ensure their passage to the underworld
Parenting may permanently improve brain health for mums and dads
Raising children appears to keep the brain young, potentially acting as a buffer against cognitive decline and Alzheimer’s
Hold the onions – and see if they make you cry
Feedback isn't sure what to make of a ground-breaking piece of research into the understudied topic of "subjective individual variability in onion tearing and its relationship to chemosensory sensitivity"
The 17 best popular science books of 2026 so far
The first six months of the year have brought us popular science reads on everything from consciousness to cosmology. Liz Else rounds up her favourites
All known Homo naledi skeletons seem to be female
An analysis of tooth proteins suggests all 23 Homo naledi individuals found in the Rising Star cave in South Africa were female, which strengthens the case that they were placed there deliberately
The lunar botanist with a plan to farm vegetables on the moon
Jessica Atkin knows more than anyone else about what it would take to supply food for a moon base. She reveals how to build a lunar farm and what astronauts can expect to dine on