People tasted the world's first "test-tube" hamburger.

[riazur]

Professor Mark Post of Maastricht University succeeded in cooking a hamburger made from lab-grown meat. Stem cells taken from a cow are grown into muscle cells in the lab. Thousands of muscle strands are then layered together to build a patty.

The burger's creators believe that this technology could be a more sustainable way of meeting the growing demand for meat, although it still needs work: The first reviews of the burger's taste and texture were mixed.