Petrichor is name of earthy smell after the rain. For many years, scientists have tried to discover where that smell comes from, but the mechanism remained a mystery. Now, researchers from Massachusetts Institute of Technology (MIT) have claimed to find the reason behind the phenomenon.
According to reports, the researchers had studied high-speed video of raindrops to know about petrichor. As per the researchers, the lovely, earthy smell has been released in tiny aerosol clouds that raindrops produce upon impact.