can questions
Can that really happen?
Browse direct answers to can questions, from fish drowning to what can actually be seen from space.
All can articles
6 questions

It depends on what you mean by drowning
Can Fish Drown?
Fish can suffocate if the water does not contain enough dissolved oxygen. That is not drowning in the human sense, but the result is the same. Here is how fish breathing actually works.

One of the most repeated myths ever
Can You See the Great Wall of China from Space?
The Great Wall of China is not visible from space with the naked eye. It is too narrow. Multiple astronauts, including Chinese astronauts, have confirmed this directly.

Blood
Can Your Blood Type Change?
Blood type is usually fixed for life, but rare medical events can change what appears on your red blood cells.

The Daily Wonder
Can an Eye Be Donated?
Eye donation saves and restores sight every day, but not in the way most people imagine. The truth about what gets donated and what gets transplanted is more surprising.

Human Body
Can the Human Body Digest Bones?
Your stomach acid is strong enough to dissolve metal. So what actually happens when you swallow a bone? The answer is more nuanced — and more interesting — than you expect.

Human Body
Can the Human Body Heal Itself From Anything?
The human body is one of the most sophisticated self-repair systems in nature, but its healing powers have real limits.