Living inside an iron lung for 68 years—death comes with every power outage. Why do perfectly health

The world's last iron lung man has lived in an "iron barrel" for 70 years. How is he doing now?

8 Views

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

54 Views

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

13 Views

Why did the workers dump clams into the mud?

29 Views

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

20 Views

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

14 Views

How do submarines vent smoke while submerged?

24 Views

Pure water doesn’t conduct electricity, so why can’t you use it to cool your computer?

15 Views

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

44 Views

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

29 Views

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

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?

23 Views

Why do Vietnamese high school students disassemble an AK rifle during exams?

11 Views

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

21 Views

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

19 Views

It may seem like a waste to use premium wood for mop handles, but it’s actually a clever application

63 Views

How do tequila scraps become a world-famous spirit?

8 Views

Why must steel strands be first separated and combed?

30 Views

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

26 Views