Video-Growing Salt Crystals Onboard the International Space Station (ISS)

Saturday Morning Science, the science of opportunity series of applied experiments and demonstrations, performed aboard the International Space Station (ISS) by Expedition 6 astronaut Dr. Don Pettit, revealed some remarkable findings. Growing salt crystals in a bottle of water is a favorite science activity for kids. In space, Dr. Pettit grew salt crystals in stretched films of water so that the salt water only fed the crystals around the edges rather than from all sides, as happens in a glass o