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Mating frenzies, sperm hoards, and brood raids: The life of a fire ant queen
Lesson duration 05:19
4,917,642 Views
462,346 Views
404,510 Views
12,797,024 Views
2,504,242 Views
3,644,285 Views
2,114,579 Views
163,620 Views
I grew up in the Westboro Baptist Church. Here's why I left - Megan Phelps-Roper
Lesson duration 15:18
6,622,602 Views
5,913,583 Views
Why the only future worth building includes everyone - Pope Francis
Lesson duration 17:52
1,129,556 Views
3,278,937 Views
Why I invited a million people beneath a disappearing glacier - Joe Hanson
Lesson duration 15:39
61,458 Views
5,521,010 Views
299,907 Views
Why should you read “Lord of the Flies” by William Golding?
Lesson duration 04:48
3,271,744 Views
369,527 Views
497,187 Views
5,101,571 Views
4,317,788 Views
Why doesn’t the Leaning Tower of Pisa fall over?
Lesson duration 05:06
5,025,108 Views
9,105,522 Views
2,303,009 Views