This stick-on ultrasound patch could let you watch your own heart beat

Picture a smartwatch that doesn’t just show your heart rate, but a real-time image of your heart as it beats in your chest. Researchers may have taken the first step…

Amateur astronomers’ images of a rare double aurora may unlock its secrets

What happens when two different kinds of auroras get together? One spills the other’s secrets. Amateur astronomers have captured a strange combination of red and green auroras on camera, and…

‘Murder hornets’ have a new common name: Northern giant hornet

What’s been called a “murder hornet” or “Asian giant hornet” now has a somewhat official, maybe kinder, name. Meet the northern giant hornet. That’s what the Entomological Society of America,…

Quantum entanglement makes quantum communication even more secure

Stealthy communication just got more secure, thanks to quantum entanglement. Quantum physics provides a way to share secret information that’s mathematically proven to be safe from the prying eyes of…

Famine and disease may have driven ancient Europeans’ lactose tolerance

Ancient Europeans may have evolved an ability to digest milk thanks to periodic famines and disease outbreaks. Europeans avidly tapped into milk drinking starting around 9,000 years ago, when dairying…

Famine and disease may have driven ancient Europeans’ lactose tolerance

Ancient Europeans may have evolved an ability to digest milk thanks to periodic famines and disease outbreaks. Europeans avidly tapped into milk drinking starting around 9,000 years ago, when dairying…

Famine and disease may have driven ancient Europeans’ lactose tolerance

Ancient Europeans may have evolved an ability to digest milk thanks to periodic famines and disease outbreaks. Europeans avidly tapped into milk drinking starting around 9,000 years ago, when dairying…

Humans may not be able to handle as much heat as scientists thought

More than 2,000 people dead from extreme heat and wildfires raging in Portugal and Spain. High temperature records shattered from England to Japan. Overnights that fail to cool. Brutal heat…

Humans may not be able to handle as much heat as scientists thought

More than 2,000 people dead from extreme heat and wildfires raging in Portugal and Spain. High temperature records shattered from England to Japan. Overnights that fail to cool. Brutal heat…

Moths pollinate clover flowers at night, after bees have gone home

Bees aren’t the only insects pollinating red clover. Moths do about a third of the flower visits after dark, new research suggests. The findings, detailed in the July Biology Letters,…