This season on NASA Explorers, you’ve seen what it takes to send science to the International Space Station through the eyes of one team of researchers. They are just two of thousands more scientists who have sent experiments to the orbiting laboratory over the past two decades.

Take a look back at those 20 years of microgravity science along with the researchers who helped make it happen.

Hear more from the researchers featured in this episode:

See more NASA Explorers season 4 bonus content:
Stay up to date with ISS Research on Twitter:
Watch all NASA Explorers season 4 episodes:
#S4E8 #S4Bonus #NASAExplorers