Don't touch it! How scary is dry ice?

A weapon of extreme simplicity yet formidable combat power: the ancient sling!

19 Views

Why do some people wear two electronic ankle monitors on their feet?

13 Views

Why can a giant ship dock precisely even though it has no brakes?

9 Views

How do submarines vent smoke while submerged?

22 Views

Why did the workers dump clams into the mud?

27 Views

In China, it’s treated like a treasure; on Amazon, people actually eat it for dinner?

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Quick Science: Did you know why trees get “popped”?

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A pirate dinghy approaches the giant ship—what can the crew do?

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A神奇, entirely transparent creature in the sea that looks like a silicone toy

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Why is an iron chain hung in the middle of a minecart tire?

19 Views

Why must concrete mixer trucks rinse their drums immediately after work?

42 Views

How does a stump grinder clear tree stumps?

16 Views

Where’s the safest seat on an airplane?

39 Views

Why does someone have to risk their life to retrieve a single drill bit?

22 Views

Why is there always a worker crouching in the most dangerous spot next to the piling rig?

51 Views

Why is it so hard to drive a walking tractor?

30 Views

When the big tree is about to fall, that’s when things really get dangerous!

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Why is it that, among all trees, only this one has a solid black core?

28 Views

Wire is obviously very stiff, so why does it snap after just a few bends?

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Why must steel strands be first separated and combed?

29 Views