What If You Had to Eat Only One Food Forever?
• 6 min read
Nutritionists have actually worked this out. The answer isn't pizza, but it's closer than you'd expect.
Survival
What If Gravity Suddenly Reversed?
• 7 min read
Everything not bolted down launches skyward. The oceans lift off the seabed. And that's just the first second.
What If the Earth Stopped Spinning?
• 7 min read
The Earth rotates at 1,670 km/h at the equator. If it stopped, the oceans wouldn't. That's the beginning of the problem.