When it comes to scientific experiments, the International Space Station (ISS) is a busy place. Astronauts and researchers have conducted thousands of life-changing experiments on the ISS over the last two decades. ADVERTISEMENTADVERTISEMENTRoscosmos cosmonaut Oleg Novitsky participated in the Kontur-2 experiment inside of the Zvezda service module on the International Space Station. Microbial hitchhikersA fascinating study conducted this year showed that scientists could track when a new crew member on the space station arrived and departed by looking at the microbes they left behind. Every time a new crew member arrives on the station from earth, they arrive with their own set of “microbial hitchhikers”.

Source: Mint December 30, 2020 08:15 UTC