Nowadays, we find polymers everywhere. They can be solid or flexible, resist to low or high temperatures but are generally lighter than the materials they replace. For instance, wood or metallic chairs are advantageously replaced by plastic chairs. Plastic bags are in every shop (yet also in oceans or forests) and can support heavy charges […]
Posts from August 2015
Leçon 3 : les adverbes
Fonctions : les adverbes modifient ou complètent les groupes verbaux, les groupes adjectivaux et les groupes adverbiaux : Examples : cette fille étudie beaucoup (ici ”beaucoup” explique comment elle ‘étudie’ donc agit sur le groupe verbal) cette fille est très studieuse (ici ”très” accentue l’adjectif ‘studieuse’ donc agit sur le groupe adjectival). cette fille apprend très […]
Chapter 1 : stem cells
What is a stem cell? Ultimately, every cell in the human body can be traced back to a fertilized egg that came into existence from the union of egg and sperm. But the body is made up of over hundreds of different types of cells. All of these cell types come from a pool of […]