
Particle physicist Tara Shears looks at the puzzling imbalance between matter and antimatter, exploring how early interactions between the two may have led to the matter dominated Universe we live in today.
To find out more about the anti-world, watch Tara Shears' full Friday Evening Discourse at the Ri:
The Ri is on Twitter:
and Facebook:
and Tumblr:
Our editorial policy:
Subscribe for the latest science videos: