a school of blue fish

Do fish sleep?

While most fish rest by reducing their activity and metabolism, the way fish "sleep" is different from the way land mammals sleep. Most fish don’t...
A cute sloth

Why are sloths so slow?

The first piece of the puzzle to understanding why sloths are so slow is their low-calorie folivorous (mostly leaves) diet. Many other folivorous animals...
frozen pond

How do fish survive when ponds and lakes freeze?

When a lake freezes, only the top layer actually freezes over. The area beneath the ice is where fish survive. This is due to something called...
Cat looking out the window

Why don’t cats enjoy the taste of sweets?

Cats have a genetic deficiency that essentially deletes the sugar detectors on their taste buds. In other words, cats do not possess the "wiring"...
Buck deer

Why are dollars referred to as bucks?

Like many others words, the etymology of this word isn't 100% clear, but strong evidence suggests that a dollar is called a “buck” thanks...

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