Ultraviolet garden - Richard Dawkins 1991 Christmas Lectures 4/5
57:37
Designed and designoid objects - Richard Dawkins 1991 Christmas Lectures 2/5
58:05
The genesis of purpose - Richard Dawkins 1991 Christmas Lectures 5/5
56:04
Feynman's Lectures on Physics - The Law of Gravitation
54:22
Space oddities - with Harry Cliff
55:09
Waking up in the universe - Richard Dawkins 1991 Christmas Lectures 1/5
1:22:12
Science Is Reconsidering Evolution
59:49
Mars before Viking - Carl Sagan's 1977 Christmas Lectures 4/6
15:02