Comment The Trump administration is playing peekaboo with reality By cutting surveys of public health, the US government won't be able to properly tackle problems ranging from drug addiction to food insecurity Comment
Technology Analogue computers could train AI 1000 times faster and cut energy use Computers built with analogue circuits promise huge speed and efficiency gains over ordinary computers, but normally at the cost of accuracy. Now, an analogue computer designed to carry out calculations that are key to AI training could fix that News
Health US public health system is flying blind after major cuts The Trump administration has laid off government workers integral to major public health surveys, meaning the country will lack crucial information on births, deaths and illnesses nationwide News
Environment Testing the Amazon's ability to soak up increasing carbon emissions Deep in the Amazon rainforest, an unusual experiment is deliberately pumping out greenhouse gas to measure how flora and fauna react to the levels we expect to reach in the future. Photographer Lalo de Almeida captures the vast machinery of the AmazonFACE project Regulars
Humans Does the family tree of ancient humans need a drastic rewrite? Anthropologist Christopher Bae has recently suggested we add two new species of ancient human to our family tree. The plans break the conventions for how species should be named – but Bae argues the rules themselves are flawed Features
Life This book is a great insight into the new science of microchimerism Lise Barnéoud's Hidden Guests shows how this fascinating new field brings with it profound implications for medicine, and even what it means to be human, finds Helen Thomson Culture
Physics The fascinating story of the ultimate cosmic law How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the most important numbers in the universe Comment
Comment Is a robot programmed to prank you annoying? Yes Feedback discovers a robot that can mimic Turkish ice cream vendors, who are known for playing tricks on their customers. Researchers concluded that customers, perhaps predictably, don't trust it Regulars