These images from photographer Kristin Bethge document Brazil's milk bank system, which provides some of the world's cheapest and safest donated milk to hundreds of thousands of babies
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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
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"
From the age of legal adulthood to the concept of "profound autism", policy-makers are turning to neuroscience to help shape laws and policies, but the science simply isn't ready
Sci-fi columnist Emily H. Wilson rounds up her favourite reads of the year to date – and highlights one particular book as her top pick
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
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
Genetic analysis of Neanderthals in north-western Europe reveals that this population was surprisingly genetically diverse, hinting that inbreeding didn’t lead to the species' demise
Oestrogen levels fluctuate throughout a woman's menstrual cycle, which may impact how efficiently a drug that targets the brain can reach its destination
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
A study claims that the North Pole Dome crater in Western Australia was caused by an asteroid strike 3 billion years ago, but other researchers dispute the proposed age
Fans can make you hotter rather than cooler, but the temperature at which you should turn them off depends on several factors, including your age and the humidity level
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
Raising children appears to keep the brain young, potentially acting as a buffer against cognitive decline and Alzheimer’s
Not much is known about Starfall, SpaceX's new delivery system, but an assessment published in May revealed its intended purpose
Around a third of people are able to almost fully rebuild their brains after a stroke and uncovering why is pointing the way to better treatments for everyone
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
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
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
The brain undergoes a full renovation during menopause. Although these changes are profound, we’re learning that the long-term impact needn’t be all bad
Researchers say a surgery that let pigs with completely severed spinal cords walk again may lead to human trials, and then perhaps even full head or brain transplants. Columnist Helen Thomson is intrigued but sceptical of whether the technique can be successful in humans
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
When does your brain reach adulthood? We're now understanding the many ways the organ continues to mature decades after society first deems you an adult
The next generation of AI models are meant to be trained by people paid to have conversations with them, but several of these workers have admitted to New Scientist that they simply get chatbots to do it instead. This "AI inbreeding" may reduce the power and usefulness of future models, warn experts
Older mice that received a faecal microbiome transplant from younger animals went on to have improved brain plasticity, which meant their brains could overcome a neurological condition that is typically successfully treated only in childhood