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.
Today you can’t pick up a newspaper or watch a nature programme without hearing about global warming and the damage we are doing to our planet. However this isn’t the first natural calamity, caused by man in the modern era – until a decade ago it was all about “the Ozone Layer”.
How do you get something that’s main purpose is to not to stick, stick to something ? – Teflon and how to make it ‘sticky’
Our Universe is a remarkable place and not a little odd in some of the ways it works. For instance have you ever heard of left and right handed molecules ? Or been told that, chemically speaking, an orange is a ‘left-handed’ lemon!
There are several ways we could measure what we are made of. We could classify ourselves as amounts of fat, bones, and muscle. Or maybe we could express ourselves by percentage of water (about 50-60% if you really want to know).
Why Does Water Freeze?
In a Nutshell … Water freezes because water molecules stick to one another when they get cold and slow down.
There is little doubt about the deliciousness of chocolate. But its health benefits are less clear. Chocolate has been implicated in causing a litany of problems, including acne and obesity. In large enough quantities it even has the potential to poison people. HOWEVER in recent years studies have found that eating small amounts of the right kind of chocolate can actually be healthy. Why? The short answer lies in the chemistry of...
We at guernseydonkey.com are always keen to promulgate that ever exapanding ‘body of knowledge’ we like to call “intenet fluff”. Accordingly we recycle here for your delectation a story that seems to have begun its life way back in 1997 when the internet was still young. Multiple examples now exist and its opening often varies – who the setter supposedly was and at what institution – but the core of the piece is always the same. Enjoy! 🙂
This is one of those urban myths that refuses to die. The idea that glass is really a viscous liquid, so thick that it takes centuries for it to flow. But what is the truth ?
Reality is sometimes stranger than we’d ever credit. Believe it or not but Scientists are actually saying that they can prove that Adam & Eve, that is a single set of ancestors, are parents to us all!
Are you a Bibliophile, someone who loves books? If you are you’ll know the joy of buying, collecting, owning, (smelling?), touching and of course reading these textual marvels. As a bibliophime, is one of your favourite pecadillos the scent of a new book or the musky thrill of an old books smell? In this article we look at the chemistry behind that guilty little pleasure otherwise known as Bibliosmia.
A valentine’s day conundrum for you : Why does an X stand for a kiss? and why do humans kiss anyway?
Does tea have more caffeine than coffee? This is one of those perenial questions.
Water is one of the strangest chemicals in the universe, and many of its strangest features turn out to be essential for life as we know it, particularly the almost unique property of water related to freezing. So why does it float when it becomes a solid?