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Brightening Up Traffic

13 May 2022

Red signifies danger in many cultures. From a distance, green is highly visible by day. At night, yellow is easier to see. That briefly explains the choice of colours on every traffic light. But...

You can determine the colour of an egg a chicken lays by looking at it's earlobe

18 Apr 2019

Yes, that's right. Chickens do have ears although they are hidden by the feathers on the side of the head. But when the feathers are pushed aside, the openings that serve as ears appear. There is...

The Colour of Meat

3 Jan 2019

It’s a different world today, especially if you shop for your meat at a supermarket. You select your cut, pre-packaged meat from the refrigerated case, and the butcher who prepared it may not even...

Can These Glasses Put an End to Colour Blindness?

12 Dec 2018

Serendipity plays a big role in science. Many discoveries begin with a puzzling observation followed by, “That’s weird”. Don McPherson developed special lenses for surgeons to use when employing...

Did you know there is ink in your tea?

22 Nov 2018

Like any plant, the tea plant is composed of hundreds of different compounds. Some of the most interesting ones fall into the category of polyphenols, so called because of their molecular structure...

Can you change your eye colour?

25 Apr 2017

Increased media attention on beauty and perfection has influenced many to turn to cosmetic surgery. A recent survey revealed that, if possible, many would consider altering their eye colour. Now,...

Who invented scotch tape?

20 Mar 2017

The Scots did not invent Scotch tape. But their reputation for thriftiness did inspire the name of this amazing product. Two-tone cars were the in thing way back in the 1920s and car manufacturers...


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