50 amazing ‘did you know’ facts most people actually don’t know

The most popular, but likely wrong theory, is that yawning increases levels of oxygen to the brain. A more plausible theory: yawning cools the brain down. A study conducted on mice found that as mice sucked in air, their jaws stretched – this increases blood flow to the brain. This combination of cooler air intake when yawning mixed with the blood flowing to the brain is thought to eventually cool the brain down.

Viruses are not living things – they are inanimate and do not have cells. Which means that they “cannot turn food into energy, and without a host, they are just inert packets of chemicals,” according to Discover Magazine.

A man analysed 1300 songs from the top 100 charts in pursuit of patterns. As for chords, he discovered that the most common key in music is C, ranking at 26%. Popular songs in the C key include Bruno Mars’ “When I Was Your Man” and “Take Me to Church” by Hozier.

Love is what makes the world go round, after all. In a study, eight out of 10 music genres report the word ‘love’ as the most used word – excluding rap and heavy metal.

Research shows that goats are socially aware of the environment they’re in. They can “differentiate between other goats’ happiness or displeasure by listening to their voices,” according to National Geographic.

Check out these other “facts” about animals you might have wrong.

Hailing all Harry Potter fans! If Muggles came across Hogwarts, it would only appear to look like an abandoned building with a ‘Keep Out: Danger’ sign on it.

Apparently a fairly nutritious snack, jellyfish can be prey to young green sea turtles (and as plastic bags look like jellyfish in the water, turtles are susceptible to eating plastic). As they age, green sea turtles become more herbivorous and stray away from eating just anything.

After about five minutes in the bathtub, you begin to notice that tiny wrinkles are forming on your hands and feet. Why is that? Researchers speculate that it’s the body’s biological way of getting a grip when in a slippery condition. And, they found that the specific ways that human skin wrinkles are similar to river drainage systems.

Here are more ‘did you know’ facts about the body.

This simple-looking, yet mind-boggling game is said to be the oldest strategy game that’s still played. According to the American Go Association, the game is said to have originated in China anywhere from 2,500 to 4000 years ago.

The residents of Barrow, Alaska must be the most avid consumers of vitamin D supplements, because their town sees darkness for about 65 days of the year. The 65 days of darkness, known as polar night, is due to their geographical location above the Arctic circle.