Sweat is something that your body produces all the time, and while it may be sticky, it’s also super important: It helps hold your body temperature at a healthy level, and it allows you to exercise and spend time outdoors — especially in the summer sun, without worrying too much about overheating. But despite the importance of human sweating, there’s still a lot to learn about how humans perspire.
Take, for instance, the emergence of sweat. Scientists traditionally thought that sweat emerged from our pores as droplets. But a 2025 analysis in the Journal of the Royal Society Interface suggests that sweat actually arises in pools, filling our pores and pouring out onto the surface of our skin once our pores are filled.
“This comprehensive study provides new insights into the dynamics of sweating,” wrote the authors of the analysis in a 2025 preprint on arXiv. “Our findings challenge the ...
