28:49
Science Matters: Evolutionary History of the Human Species
University of California Television (UCTV)
12:50
Best Explanation Ever! To A Fascinatingly Disturbing Thought! Dr.Neil DeGrasse Tyson
ThisIsRadioFreedom1
LIVE
[Private video]
10:45
10 Things You have Heard and Re-told but are Completely False - Neil deGrasse Tyson
Cosmology Today™
4:12
How Gravity Makes Things Fall
EdwardCurrent
