On this episode of Cheddar Reveals, Professor Laurence Hurst, Director of The Milner Centre for Evolution, discusses the mystery of human evolution that's still baffling scientists: why are humans still evolving, and why has the process sped up? Neville Sanjana, faculty member at NY Genome and New York University, breaks down the latest innovations in CRISPR genetic engineering and its applications from 'designer babies' to curing genetic conditions and diseases; Cheddar gets a look at Curiosity Stream's 'The Butterfly Effect.'