18:20

What If Gravity Isn’t Quantum? New Experiments Explore

21:42

Why the Universe's Expansion Doesn't Make Sense

19:21

Does the Planck Length Break E=MC^2?

1:35:59

Roger Penrose: Quantum Theory Is Wrong, Not Einstein

17:20

Why Do Magnets Attract, at a Fundamental Level? Why? Why? Why?