Scientists Capture the Smell of Rain

Using high speed cameras scientists captured how raindrops release aerosol when hitting a surface.

Scientists from Massachusetts Institute of Technology published a video which explains why rainy weather has a specific smell. To understand it, they ran about 600 experiments and published their results in Nature Communication.

Researchers simulated rain in a lab, and using high speed cameras captured raindrops falling from different heights on various surfaces. They discovered that as a raindrop hits a surface, it starts to flatten; simultaneously, tiny bubbles rise up from the surface and form “frenzied aerosols.” It releases a smell, which people call the “smell of rain.”

The MIT scientists think their theory may explain phenomena, like why in a rainy weather people become sick more often – “frenzied aerosols” also contain bacteria from the soil. Experimentally they proved that the more aerosols were produced in moderate rain make it easier to become infected than during heavy rain.

New and best

9 578


12 392
Read more