The global health and economic benefits of covid-19 vaccines came to between $5 trillion and $38 trillion in their first year, showing an incredible return on investment

The global health and economic benefits of covid-19 vaccines came to between $5 trillion and $38 trillion in their first year, showing an incredible return on investment

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

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

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

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

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

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

A 1.3-kilometre swim by a jaguar is the longest ever confirmed, but the cat's motives for making the journey are unclear

A 1.3-kilometre swim by a jaguar is the longest ever confirmed, but the cat's motives for making the journey are unclear

Childhood obesity rates have surpassed those of undernutrition for the first time, suggesting efforts to combat malnutrition will have to shift gears.

Childhood obesity rates have surpassed those of undernutrition for the first time, suggesting efforts to combat malnutrition will have to shift gears.

A study of festivalgoers suggests that drinking beer and sharing a bed makes you more attractive to mosquitoes

A study of festivalgoers suggests that drinking beer and sharing a bed makes you more attractive to mosquitoes

The gas giant has been measured for the first time in decades, trimming 8 kilometres from its diameter

The gas giant has been measured for the first time in decades, trimming 8 kilometres from its diameter

Astronomers have struggled to explain why a long and thin cloud forms above Mars’s Arsia Mons volcano each year, until now

Astronomers have struggled to explain why a long and thin cloud forms above Mars’s Arsia Mons volcano each year, until now

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

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