Planets beyond our sun - Carl Sagan's 1977 Christmas Lectures 6/6

The earth as a planet - Carl Sagan's 1977 Christmas Lectures 1/6

The history of Mars - Carl Sagan's 1977 Christmas Lectures 3/6

Carl Sagan's 1994 "Lost" Lecture: The Age of Exploration

Einstein's Quantum Riddle | Full Documentary | NOVA | PBS

Does Consciousness Extend Beyond Brains? The 2023 Holberg Debate, feat. Seth, Luhrmann, Sheldrake.

Massive stars and supernovae – with Thomas Haworth

The outer solar system and life - Carl Sagan's 1977 Christmas Lectures 2/6

Fundamentals: Ten Keys to Reality | A Conversation with Nobel Laureate Frank Wilczek

Mars before Viking - Carl Sagan's 1977 Christmas Lectures 4/6

Wolfram Physics Project Launch

The most surprising discoveries from our universe – with Chris Lintott

The Dark Energy Delusion | Claudia de Rham Public Lecture

Eight Wonders Of Our Solar System | The Planets | BBC Earth Science

Brian Greene and Leonard Susskind: Quantum Mechanics, Black Holes and String Theory

Optogenetics: Illuminating the Path toward Causal Neuroscience

Mars after Viking - Carl Sagan's 1977 Christmas Lectures 5/6

Black Hole Apocalypse FULL SPECIAL (2018) | NOVA | PBS America

Space oddities - with Harry Cliff

Brian Cox Lecture - GCSE Science brought down to Earth

The Physics of Black Holes - with Chris Impey