Stealth radio hides signal in background noise to protect drone pilots 15. September 2025 (14:00) As drones have risen to prominence on the battlefield, so too has electronic warfare, in which adversaries attempt to mask, jam or trace radio signals. Now, a new stealthy radio device could help give people the edge, letting them fly drones without detection(New Scientist)
The death of dinosaurs dramatically re-engineered Earth's landscapes 15. September 2025 (12:43) Changes in rock formations from before and after the mass extinction event 66 million years ago may reflect how dinosaurs acted as ecosystem engineers, shaping vegetation and even the meandering of rivers(New Scientist)
Higher dose of Wegovy ups both weight loss and side effects 15. September 2025 (01:30) Trial participants who received an increased weekly dose of Wegovy lost 19 per cent of their body weight in a year on average, but also saw a higher risk of painful skin sensations and nausea(New Scientist)
Early Neanderthals hunted ibex on steep mountain slopes 11. September 2025 (18:00) Ancient remains from a cave in Serbia show that Neanderthals were hunting mountain goats 300,000 years ago, adding to evidence of their ability to adapt to different environments(New Scientist)
