Life

In the near future, an unmanned space probe returns from Mars to Earth orbit with soil samples potentially containing evidence of extraterrestrial life. The probe is intercepted by the International Space Station, whose six-member crew retrieves its samples. Exobiologist Hugh Derry revives a dormant cell from the sample, which quickly grows into a multi-celled organism that American schoolchildren name "Calvin". Derry realizes that Calvin's cells can change their specialization, acting as muscle, neuron, and photosensory cells all at once.