In schoolbooks, cells are generally pictured as a membrane bubble full of smaller compartments also wrapped by a membrane. In reality, things differ from this simple picture. There are many compartments that are not bound by a membrane. Learn what they are and their amazing properties in this 2 minute video, created by Mariona Esquerda Ciutat, a science communicator at the Max Planck Institute for the Physics of Complex Systems in Dresden, Germany.
Video of Condensates around cell nuclei: Brangwynne et. al, Science 324 (2009) https://doi.org/10.1126/science.1172046