What did the scientist call the benzene ring that had iron atoms replacing the carbon ones?

A ferrous wheel!

Music and the heart, the connection may be scientific

Music can help keep your Cardiovascular System in Tune.

Music can do a lot. It can make the workday seem shorter. A study says that music can trigger physiological changes that modulates blood pressure, heart rate and respiration.

Heartbeat changes depending on the type of music you listen to. Music is one of the few activities, which involves using the whole brain. Music not only has benefits for learning language, improving memory and focusing attention, but also for physical coordination and development. It also relaxes the mood and the soul.

Music is an important part of people's lives. If they recall good times or bad, most people remember a certain song that was playing in the background. Music is connected to physiological responses within the body, including heart rate. Music is also tied into human emotion and can make a person happy, sad, anxious or self-confident. The relationship between music and heart rate is complex and can be beneficial to health, especially for those who experience heart problems and chronic pain.

The heart rate of a person changes while listening to music, its beatings depend on the tempo of the music, if it is slow or fast. Not every type of music has a beneficial and calming effect. Loud and jarring music can be disturbing and might compete with us for the work we are doing. Exposure to classical music gives more benefits. It has a soothing effect on the brain and the body. Science explains that music with a faster rhythm increases a person's heart rate.

And now you know the science behind why listening to certain music does different things to you.
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