Browse Lessons

Why women’s ice hockey has a higher concussion rate than football

How figure skating scoring rewards risk over artistry

Why the triple axel is such a big deal

The Trump-Fox & Friends feedback loop, explained

What a war with North Korea would look like

Why Ukraine is trapped in endless conflict

The 2020 census is in serious trouble

Why do taxpayers pay billions for football stadiums?

What BMI doesn't tell you about your health

The 2018 State of the Union in 4 minutes

President Trump's 2018 State of the Union address

The problem with online charter schools

Why danger symbols can’t last forever

Why Puerto Rico is not a US state

The awkward debate around Trump's mental fitness

How this young prince seized power in Saudi Arabia

It's not you. Commuting is bad for your health.

How red squirrel pelts shaped our monetary systems [Advertiser content from Zelle]

How faster computers gave us Meltdown and Spectre

How audiobooks are recorded

How rats take advantage of human failure

The chocolate science hype machine

The new US tax law, explained with cereal

How the US failed to rebuild Afghanistan

The real reason Amelia Earhart is so famous

Here's how Trump's nuclear "button" actually works...

Iran's massive protests, explained in 4 minutes

Why the market for skin whitening is growing

Takeout creates a lot of trash. It doesn't have to.

N.E.R.D.'s hit song "Lemon" owes a lot to New Orleans bounce

2017, in 7 minutes

How this military explosive is poisoning American soil

Filthy Frank fans made us do this

How Trump makes extreme things look normal

Where babies in movies come from

How smart is today's artificial intelligence?

A teenager's journey through weight loss surgery

How the end of net neutrality could change the internet

Star Wars’ infamous Holiday Special, explained

Why this elbow is a TIME person of the year

The diet that helps fight climate change

These factory workers get paid to go to school

NASA's plan to save Earth from a giant asteroid

The US medical system is still haunted by slavery

How J Dilla humanized his MPC3000

Europe’s most fortified border is in Africa

The fight to make bad jobs better

How Technicolor changed movies