Normally, when tissue gets injured, cells start replicating and make new tissue. But what about the heart?

In a letter written in 1761, Benjamin Franklin tells how he collected some little squares of broadcloth. Franklin wanted to demonstrate that these colors would absorb different amounts of light from the sun and convert the light to different amounts of heat.

Just like Goldilocks, humans have searched for a place that's "just right" to live in. That's not the same for all species, though.

We usually think of paint as a substance that adds color to things. But, from a physical point of view, paint works by taking colors away.

Tennis players are known for the loud grunts they make during a game. Why do they do it?

In 2019 a team of Swedish and British scientists published a study claiming that whether we chose to own a dog may be influenced by our genes.

Physicists are searching for new materials with better semiconductor properties so that computers can continue to improve.

We just covered why the sky is blue, but there are a few areas without color above us.

It can't be the atmosphere, or dust, or water droplets. So what makes the sky blue?

Water temperature is a major element of quality control in making coffee. Why exactly is temperature important?