The Russian molecular biologist “Iris” had a tiny speck that floats, and there was another video as well (I don’t remember the source, but I saw it on Twitter).

The Russian molecular biologist “Iris” had a tiny speck that floats, and there was another video as well (I don’t remember the source, but I saw it on Twitter). However, the credentials of the people or the labs they work for are unknown, so take it with a grain of salt.