Where the male and female symbols came from…

Representing two planets, iron, copper and a couple of Olympian gods, the classical symbols for male and female pack a lot of meaning into a few squiggly lines. The symbols themselves are ancient, and the associations they make date back to the dawn of civilization. The ancients, after observing how the movements of heavenly bodies … Read more Where the male and female symbols came from…

Why beetles have “hard” elytra?

One of the most important features of Coleoptera is their ‘elytra’, the hard exoskeletal which covers their wings. The ‘elytra’ helps to protect the beetle but also has many other functions, too. Some beetles trap moisture in their wings and the elytra protects it from drying in heat and wind, this means the beetles can … Read more Why beetles have “hard” elytra?