3-D printing, biology research make the journey back to earth aboard SpaceX`s Dragon
(PHYSorg.com Space & Earth)

On March 9, 2020, a Dragon cargo spacecraft arrived at the International Space Station carrying dozens of scientific experiments as a part of SpaceX`s 20th cargo resupply mission. Now, Dragon heads home. On April 7, it is scheduled to undock from station, bringing samples, hardware and data from completed investigations back to Earth on its return trip.