Many people have switched to “ammonia-free” hair colours believing they are automatically safer. While avoiding ammonia is a step forward, true long-term hair health depends on understanding what goes ...

Researchers have discovered a hidden quantum geometry inside materials that subtly steers electrons, echoing how gravity warps light in space. Once thought to exist only on paper, this effect has now ...

A man grabbed a bottle of what looked like water and took a swig. Hours later, he was in the emergency department with a life-threatening cerebral air gas embolism. The problem: It was highly ...

Brows are the quiet architects of the face: they frame your features, lift the eyes, and can subtly change your entire expression with just a few strategic strokes. Yet they’re often the most ...

As far as taking care of my body goes, I'm not exactly low maintenance. I regularly lift weights and try to get in pilates when I can, and I aim to eat a balanced diet. But in spite of this, I still ...

An often-overlooked part of the body may reveal important clues about overall health. Researchers from the University of Westminster in the U.K. discovered that the shape of the gluteus maximus muscle ...

The original version of this story appeared in Quanta Magazine. Standing in the middle of a field, we can easily forget that we live on a round planet. We’re so small in comparison to the Earth that ...