4:09   One Simple Principle to Boost Your Learning Efficiency (with science) 5:35   Jordan Peterson: Becoming highly efficient and productive 2:54   The efficient frontier 4:49   How to practice effectively...for just about anything - Annie Bosler and Don Greene 9:34   the ASIAN SECRET to STUDYING EFFECTIVELY 5:09   3 tips on how to study effectively 5:10   How to manage your time more effectively (according to machines) - Brian Christian 6:05   How To Run More Efficiently 3:14   Energy Efficiency 101 2:47   Efficiency of estimators 0:44   How to Pronounce Efficiently? (CORRECTLY) 9:44   Lecture #10: How to Memorize Anything - EFFICIENTLY 12:23   How This Ultra Efficient Motor Just Broke The Limits 10:22   Building a more efficient bike