05:20 Mathematics Can you solve the giant cat army riddle? Lesson duration 05:20 Manage Library 3,529,303 Views
04:45 Mathematics Can you solve the penniless pilgrim riddle? Lesson duration 04:45 Manage Library 6,320,378 Views
05:26 Mathematics Can you solve the wizard standoff riddle? Lesson duration 05:26 Manage Library 13,224,569 Views
05:20 Mathematics Can you solve the false positive riddle? Lesson duration 05:20 Manage Library 4,088,432 Views
11:58 Mathematics Riemann's paradox: pi = infinity minus infinity Lesson duration 11:58 Manage Library 4,789,304 Views
05:03 Mathematics Can you solve the buried treasure riddle? Lesson duration 05:03 Manage Library 3,247,816 Views
06:01 Mathematics Can you solve the seven planets riddle? Lesson duration 06:01 Manage Library 4,458,270 Views
05:26 Mathematics Can you solve the dark coin riddle? Lesson duration 05:26 Manage Library 4,371,211 Views
04:47 Mathematics Can you solve the egg drop riddle? Lesson duration 04:47 Manage Library 8,286,623 Views
04:30 Numbers & Operations Where do math symbols come from? Lesson duration 04:30 Manage Library 2,482,476 Views
05:06 Earth and Space Science The first asteroid ever discovered Lesson duration 05:06 Manage Library 293,569 Views
04:22 Mathematics How a 15-year-old solved a Rubik's Cube in 5.25 seconds Lesson duration 04:22 Manage Library 10,557,936 Views
05:41 Education Policy Should we get rid of standardized testing? Lesson duration 05:41 Manage Library 1,213,339 Views
05:17 Geometry How many ways are there to prove the Pythagorean theorem? Lesson duration 05:17 Manage Library 3,693,170 Views
04:01 Mathematics Can you find the next number in this sequence? Lesson duration 04:01 Manage Library 561,986 Views
04:10 Information Literacy How to spot a misleading graph Lesson duration 04:10 Manage Library 3,016,999 Views
04:50 Problem Solving Can you solve the fish riddle? Lesson duration 04:50 Manage Library 6,292,390 Views
05:09 Mathematics The Scientific Way to Cut a Cake Lesson duration 05:09 Manage Library 17,176,188 Views
05:31 Engineering Why don't perpetual motion machines ever work? Lesson duration 05:31 Manage Library 16,590,476 Views
05:07 Data Analysis & Probability Check your intuition: The birthday problem Lesson duration 05:07 Manage Library 2,792,190 Views
05:24 Critical Thinking Can you solve the pirate riddle? Lesson duration 05:24 Manage Library 11,083,703 Views
