A Sleepy Guide to Why do People Yawn?
You’d think answering a simple question like why people yawn would be simple. However, it’s not straightforward despite extensive scientific research.
How much horsepower does a horse have?
Ever wondered about horsepower? It’s a game of averages. Let’s delve into the answer to how much horsepower does a horse have.
The Imperfect Hue: What Color is a Mirror?
Standard mirrors are not perfectly smooth due to structural irregularities For this reason most mirrors reflect green light better.
Space Blindness: A Scary Side Effect of Microgravity
Space blindness is a serious side effect of spending prolonged periods in space. How will scientists solve the problem in time for the expedition to Mars?
Why Were Chainsaws Invented?
Why were chainsaws invented? These handy modern tools have a surprising background. Find out their origins in medicine and in preventing maternal death
When Was Toothpaste Invented?
From ashes of ox hooves, eggshells, pumice, and myrrh to fluoride and sodium lauryl sulfate, the history of toothpaste has come a long way in 7000 years.
What Is A Deafening Silence?
A deafening silence is the absence of sound, but it’s the noise that comes before it that really makes it deafening. You can only appreciate the silence because of the noise beforehand.
Regrowing Teeth: Have Scientists Cracked the Code?
Is it possible to regrow teeth? Up until recently, dentures and implants were the only way. But soon, medieval dentistry might be history.
Why Are Clouds White?
The answer to the question “Why are clouds white?” lies in how different-sized particles scatter the light that passes through clouds.
Lethologica: The Word That’s on the Tip of Your Tongue
Have you ever tried to pluck a word from memory and it just doesn’t come to mind? The term can often seem within our grasp but tantalisingly beyond reach. Meet lethologica.
