Ify E's Enrolled Lessons
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8 minFREEStatistics lessonFree5 CQ
Learn how to run a mixed strategy algorithm—once you can calculate the payoffs for a mixed strategy, you can make an educated decision and the best choice.
with William SpanielLearn how to run a mixed strategy algorithm—once you can calculate the payoffs for a mixed strategy, you can make an educated decision and the best choice.
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6 minFREEStatistics lessonFree4 CQ
How can you win Rock, Paper, Scissors? Not with a pure strategy, that’s for sure! Learn the theory behind the game, and see why you just can't beat randomness.
with William SpanielHow can you win Rock, Paper, Scissors? Not with a pure strategy, that’s for sure! Learn the theory behind the game, and see why you just can't beat randomness.
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3 minFREEGames lessonFree2 CQ
It's time to work some magic! Hone your sleight of hand and display your alleged psychic powers by mastering this wallet prediction card trick.
with TAGSmagicIt's time to work some magic! Hone your sleight of hand and display your alleged psychic powers by mastering this wallet prediction card trick.
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6 minFREEPsychology lessonFree4 CQ
Exercise your brain, use your critical thinking skills, and improve your intellectual acuity with this classic brain teaser presented to you by Khan Academy.
with Khan AcademyExercise your brain, use your critical thinking skills, and improve your intellectual acuity with this classic brain teaser presented to you by Khan Academy.
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7 minFREEBiology lessonFree4 CQ
Cells are the basic units plants and animals are made from, but how do they do what they do? Learn the basics in this biology lesson from Khan Academy.
with Khan AcademyCells are the basic units plants and animals are made from, but how do they do what they do? Learn the basics in this biology lesson from Khan Academy.
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8 minFREEChemistry lessonFree5 CQ
Balancing chemical equations is a requirement of any chemistry class—so learn how, using addition, multiplication, and substitution, in this lesson from Khan Academy.
with Khan AcademyBalancing chemical equations is a requirement of any chemistry class—so learn how, using addition, multiplication, and substitution, in this lesson from Khan Academy.
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2 minFREESTEM lessonFree2 CQ
Most people love a good fireworks show, but have you ever wondered how fireworks actually work? This fun lesson on the history of fireworks will enlighten you!
with Es EinsteiniumMost people love a good fireworks show, but have you ever wondered how fireworks actually work? This fun lesson on the history of fireworks will enlighten you!
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6 minFREEMemory lessonFree4 CQ
Tired of forgetting things? Nearly everyone wants a better memory, especially for exams. This lesson will show you easy techniques for improving your memory.
with Es EinsteiniumTired of forgetting things? Nearly everyone wants a better memory, especially for exams. This lesson will show you easy techniques for improving your memory.
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2 minFREEScience lessonFree2 CQ
The sky could be any color—but it’s blue. Have you ever wondered why? In this quick lesson, find out the scientific answer to this commonly asked question.
with Es EinsteiniumThe sky could be any color—but it’s blue. Have you ever wondered why? In this quick lesson, find out the scientific answer to this commonly asked question.
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3 minFREEScience lessonFree2 CQ
Sleeping is one of the most basic functions of your body. But why do you do it? Explore the science behind this surprisingly difficult question.
with Es EinsteiniumSleeping is one of the most basic functions of your body. But why do you do it? Explore the science behind this surprisingly difficult question.