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207 Infographics
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The Chemistry of Eggs & Egg Shells
As the chemistry of chocolate is a topic that’s been pretty much exhausted on the site (see here, here, here, here, and here), for the Easter weekend we’re instead homing in on the ‘egg’ side of Easter Eggs. For such a simple staple of the kitchen, the chemistry of eggs is surprisingly complex. ...
The Chemistry of Wild Garlic
Spring is in the air, and it’s likely that, in your local forest, so too is the distinctive scent of wild garlic. Also known as ‘ramsons’ or ‘bear’s garlic’, green carpets of wild garlic swell in the forest’s undergrowth at this time of year. Here we take a look at their chemistry, and why, if ...
The Chemistry of Elderflowers & Elderberries
Aroma, Colour, & Toxicity
In late May and early June, the winding pathways of the English countryside arefestooned with the delicatewhite blooms of the elderflower. As the end of the summer eventually arrives, these blooms will have been transformed, and the bushes will be heaving under the weight of clusters of ...
The Chemistry of Barbecue
It’s reaching that point in the year where warm weekends mean it’s timefor barbecues out in the sun. Here’s a topical graphic looking at the chemistry behind barbecuing food, and the compounds behind the smoky taste and flavour.
What Causes The Smell of Fresh-Cut Grass?
The second in the ‘Aroma Chemistry’ series, this graphic examinesthe smell of fresh-cut grass. This is oft-mentioned when discussions of favourite smells come up, so what are the chemical compounds behind it? Grassemits volatile organic compounds normally, even without being cut. Research has ...
The Chemical Compounds Behind The Smell Of Rain
Everyone’s familiar with the smell after a heavy rain shower in the summer – or, for that matter, the ominous scent of an oncoming thunderstorm. In the third part of the Aroma Chemistry series, this graphic examines the chemical compounds that are the major contributors to these smells, and how ...
What Causes the Smell of New & Old Books?
Everyone’s familiar with the smell of old books, the weirdly intoxicating scent that haunts libraries and second-hand book stores. Similarly, who doesn’t enjoy riffling through the pages of a newly purchased book and breathing in the crisp aroma of new paper and freshly printed ink? As with all ...
The Chemical Compounds Behind the Scent of the Sea
The summer holidays are here, which means there’ll soon be crowds flocking to the coast to spend the day at the beach. The supposed benefits of ‘fresh sea air’ are commonly extolled, but its origins might not be what you think:it’s the chemical compounds produced by algae and seaweed that ...
The Aroma of Christmas Trees
The aroma of pine trees is one that’s evocative of Christmas; one of the responsible molecules, alpha-pinene, has already been featured on the Chemistry Advent Calendar, but here we take a more detailed look at the chemical constituents of the aroma. One of the most important contributors to the ...
The Chemistry of the Smell of Toilets & Human Waste
Today’s postmarks a slight detour for the aroma chemistry series. So far, we’ve look mainly at pleasant aromas, but today we turn to a major malodour: that of toilets, and, more specifically, human waste. It might seem like something of a childish subject, but there are some interesting chemical ...
