2M views · 2.5K reactions | The #Shenzhou20 crew has carried out its first experiment on planarian regeneration aboard #China's space station. Planarians, flatworms with an evolutionary history of over 520 million years, are one of the widely used experimental animal models in biological #research. Inside the Wentian laboratory module, the crew observed samples in the biotechnology experiment cabinet and used the scientific glovebox to collect solid culture samples. | China Box | Facebook