Curiosity Stream

Unexplained Science: What Scientists Still Don’t Understand

94% loved this4KCC

At the edge of knowledge, science reveals its most compelling mysteries.

Join Matthew Stanley of New York University for a thought-provoking talk on the questions science still cannot fully answer. From black holes and consciousness to dark matter, time, and life beyond Earth, he maps the boundary between mystery and discovery. It is a smart, rewarding way to see how science advances by confronting the unknown.

  • New shows weekly
  • Exclusive originals
  • Watch anywhere
  • No commitment

Frequently asked questions

Thousands of the world's best documentaries and factual programming — nature, history, science, technology, and biography — including exclusive Curiosity Originals like Unexplained Science: What Scientists Still Don’t Understand. Stream it all ad-free, anytime.

Unexplained Science: What Scientists Still Don’t Understand streams with every plan.

Watch on the web, iOS and Android, Roku, Apple TV, Amazon Fire TV, Chromecast, Android TV, and most smart TVs. Start on one device and pick up right where you left off on another.

Curiosity Stream is our streaming service — thousands of documentaries and originals. The Smart Bundle is Curiosity Stream plus four other independent streaming services (Tastemade, Kidstream, Curiosity University, and SOMM TV) on a single subscription.

Got your answer? Pick a plan and start streaming.