Blood cells originated from single-celled ancestors 700 million years ago
Blood cells carry a deep evolutionary history. A new analysis suggests their earliest ancestors were macrophage-like cells inherited…
‘Super shoes’ boost running speed but at an increased risk for injury
A carbon plate and springy foam can shave precious seconds off a race. The same design may also…
The next phase of human evolution is already underway
A glass of milk can still mark a line through humanity. For most adults, drinking it brings discomfort…
Chatbots outperform doctors in diagnosing many diseases, study finds
Some medical decisions do not come with a single clean answer. A doctor may know what disease a…
You don’t need exhausting workouts to build strength and health, study finds
If you think better workouts must leave you drained, sore, or barely able to walk the next day,…
Zebra finch neurons offer new clues about learning, repair, and human brain limits
A zebra finch can fit in the palm of your hand, but its brain is doing something that…
Reprogrammable artificial muscle can change its shape, recover from damage, and even be reused
Soft robots have long promised something rigid machines cannot easily deliver. They offer the ability to bend, flex,…
Scientists create light inside the body using ultrasound
Getting light deep inside the body has always come with a catch. Tissue scatters and absorbs it, which…
Midlife exercise linked to a 50% longer life for women
Halfway through life, the body starts changing in ways that are easy to miss at first. Muscle mass…
Scientists reveal the hidden forces shaping the human microbiome
The human gut is alive with activity. Millions of microorganisms compete, cooperate, and coexist in ways that can…
20 minutes of cycling can make your brain fitter
Even a brief time spent on a bedside pedal device has positively impacted an area of the brain…
New smart drugs precisely target and kill cancer cells
Cancer treatment has long been haunted by the same problem: how do you strike dangerous cells without hitting…