Why Do Onions Make us Cry When We Cut them ? : In a Nutshell : Breaking open onion cells which releases enzymes which in turn react with other released substances to release a volatile gas – which when it reaches our eyes, it reacts with the water that is intended to keep our eyes moist.
No, you’re not imagining it – your toenails really do grow much more slowly than your fingernails. In this article we look at some theories
There is a rule we all seem to follow unconsciously to do with English adjective order. A blueprint discovered by writer Mark Forsyth.
[opinion – size – age – shape – colour – origin – material – purpose]
“OK” – the all-purpose American expression that became an all-purpose English expression that became an all-purpose expression in dozens of other languages. It’s amazing that we ever got along without it at all. But we did. Until 1839.
There seems to be a fair bit of controversy and some urban myth surrounding this particular question, which could also be asked as “Who invented Pasta ?” In this article we look at the origins of pasta and spaghetti.
A question often asked by cat owners when trying to decide if their pet pussy is young, middle-aged or just plain ‘over the hill’. The calculation is fairly simple. Compared to dogs, which have greater variation based on size and breed, the method to calculate a cat’s age is pretty standard.
A fingernail is produced by living skin cells in the finger. Fingernails and toenails are almost exclusively a feature of humans and primates. But why do we have them at all ?
Skin colour is the result from the presence of a pigment called melanin, located in the epidermis, or outer skin layer, and produced by cells called melanocytes. But why would there be such a variety in Human Skin Colour ?
Modern Britain is a very secular society but there are many traditions that people still partake in that have a very religious significance without people really realising. Take for example ‘Shrove Tuesday’ – what exactly is the “shroving” bit about and why the obsession with pancakes on that day ?
There are 5,280 feet in a mile – a pretty ‘odd’ number – buy why ?
In a Nutshell : Horsepower is a term that describes how much work an engine or other source does over a specific period of time.
When ants discover a food source its not long after that their fellow colony members descend on that location to make the most of any tasty morsel that’s been discovered. Clearly there’s some form of communication going on between colony members – but how ?
Anything that is transparent allows light rays to get through the thicket of atoms packed within it more or less unscathed. The reason light can make it through substances like glass is that their molecules only mop up light of wavelengths shorter than those of visible light.