Doodle Music
Youth Math
A visual and musical expression of mathematical symmetry groups.
Picked A Strawberry
Kids Math
Let's pick some berries and practice counting!
Combinations of 52 cards (52 factorial)
Adults Math
Whenever you shuffle a deck of 52 cards, it is quite likely that you are achieving something never done before in history. The number of combinations is 52 factorial.
Six In The Bed
Kids Math
Practice counting down from 6.
Moebius Strips
Youth Math
Students make Moebius strips and use them to demonstrate the interconnectedness of an environment.
How Imaginary Numbers Were Invented
Adults Math
A general solution to the cubic equation was long considered impossible, until we gave up the requirement that math reflect reality.
The Simplest Math Problem No One Can Solve
Adults Math
The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.
Can you solve the fantasy election riddle? - Dennis E. Shasha
Adults Math
After much debate, the realm has decided dragon jousting may not be the best way to choose its leaders, and has begun transitioning to democracy.
Why "Nothing" Matters in Science
Adults Math
Null results often get a bad rap, sometimes characterized as a study "finding nothing," but there's a lot we can learn from studies whose results fail to support their hypotheses.
The Ridiculous Way We Used To Calculate Pi
Adults Math
For thousands of years, mathematicians were calculating Pi the obvious but numerically inefficient way. Then Newton came along and changed the game. This video is sponsored by Brilliant.
The Odd Number Rule
Adults Math
Micheal teaches us about the "Odd Number Rule".
Game theory challenge: Can you predict human behavior?
Adults Math
Solve this classic game theory challenge: given integers from 0 to 100, what would the whole number closest to ? of the average of all numbers guessed be?
What if a Radioactive Spider Bites You?
Adults Math
Everyone knows that when you're bitten by a radioactive animal, you get superpowers... right? Kyle weaves a web of facts and math to ensnare the truth in this week's Because Science!
How Hard Can You Hit a Golf Ball? (at 100,000 FPS)
Adults Math
We used a pressurized vacuum cannon to get the golf ball up to speeds of over 500 miles per hour.
April Fool's Day
Teachers Math
April Fool's Day is the perfect time to play some light-hearted pranks on your friends, family, and co-workers; and if you’re a teacher, pulling an unexpected fast one on your students can be entertaining -- and memorable -- for everyone.
A Problem You'll Never Solve
Adults Math
Newcomb’s Paradox has confounded philosophers, mathematicians, and game players for over 50 years.
Can you solve the jail break riddle?
Adults Math
You’re a bank robber trying to escape from jail. Can you solve the riddle to get past the fence to freedom?
The Inverse Leidenfrost Effect
Adults Math
Droplets levitate on a bath of liquid nitrogen and are spontaneously self-propelled.