Our universe is dominated by matter: it makes up everything around us. But physicists have long puzzled over the absence of antimatter. Theories say that antimatter should have been produced by the Big Bang just as matter was and in equal amounts. Now a huge experiment in Japan may have found a subtle imbalance which could help explain why our universe is the way it is. Reporter Elizabeth Gibney explores the concept of CP violation and explains what the new results could mean.
Read the paper here: https://www.nature.com/articles/s41586-020-2177-0