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What If We No Longer Needed Sleep?

Our world is sleep-deprived. In the last century, people slept an average of nine hours per night. Today, more than half the world’s population gets by on less...

What If You Owned a Time Machine?

Imagine being able to travel to any point in time. Where would you go, and what would you do? You could witness some of the greatest moments in history or even change...

What If We Killed All Mosquitoes?

They’re the deadliest thing on Earth. They suck your blood and spread disease, killing nearly one million people each year. Are we talking about vampires? Lions...