Missing Evidence | Tara Shears, Rupert Sheldrake, Massimo Pigliucci

We think science is based on facts and evidence. But from gravity to dark matter, string theory to parallel universes, its theories are curiously bereft of hard evidence. Is evidence less important than we think and conjecture alone capable of leading to greater understanding? Or has science dangerously drifted into fantasy? The Panel New York philosopher Massimo Pigliucci, CERN physicist Tara Shears and author of The Science Delusion Rupert Sheldrake seek answers. Watch the full debate here: https://iai.tv/video/missing-evidence