TED-Ed

What if there were 1 trillion more trees? - Jean-François Bastin

Can you outsmart the fallacy that started a witch hunt? - Elizabeth Cox

The hidden treasures of Timbuktu - Elizabeth Cox

Which type of milk is best for you? - Jonathan J. O’Sullivan & Grace E. Cunningham

Could we harness the power of a black hole? - Fabio Pacucci

The rise and fall of history’s first empire - Soraya Field Fiorio

Can you solve the riddle and escape Hades? - Dan Finkel

Can we create the "perfect" farm? - Brent Loken

What causes panic attacks, and how can you prevent them? - Cindy J. Aaronson

Who owns the "wilderness"? - Elyse Cox

The myth of the stolen eyeballs - Nathan D. Horowitz