The Immune system
Our Immune system comprises different cell types, which are programmed to identify and destroy foreign cells. There are three main categories of cells in our immune system: (1) Lymphocytes comprising the T and B cells, (2) Antigen-presenting cells: macrophages and dendritic cells (3) Granulocytes: neutrophils, eosinophils, and basophils. The immune response generated by these cell types can be classified in to two types: the innate immune response and adaptive immune response. Continue reading
Children may be completely oblivious to this, but they start experimenting with science way before elementary school. They are inadvertently exploring scientific principles while building contraptions, playing with Legos, blowing bubbles, and exploring a plethora of other ideas stemming from their inquisitive little minds.
Children in elementary school are observant, inquisitive and constantly ask questions. Science education in elementary schools is tailored to their inquisitiveness and enthusiasm. However, I believe a key element in promoting science education is to sustain this enthusiasm and inquisitiveness in the long run. Continue reading