Since they can’t prod actual universes as they inflate and bump into each other in the hypothetical multiverse, physicists are studying digital and physical analogs of the process.
In grafted plants, shrunken chloroplasts can jump between species by slipping through unexpected gateways in cell walls.
A glass sponge found deep in the Pacific shows a remarkable ability to withstand compression and bending, on top of the sponge’s other unusual properties.
Inside cells, droplets of biomolecules called condensates merge, divide and dissolve. Their dance may regulate vital processes.