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1:07 Architecture
The Great Pyramid’s 3,800-Year Height Record
0:46 Zoology
Three hearts and blue blood
0:48 Statistics
23 people, one shared birthday
1:10 Astronomy
Why We Always See the Same Face of the Moon
0:56 Meteorology
Count the Seconds After Lightning
0:45 Oceanography
How deep is the deepest ocean?
1:10 Genetics
How Two Metres of DNA Fit Inside a Cell
0:53 History of science