On March 30, 1954, Toronto became the first Canadian city to open a subway system! Now why is this so exciting? Well subways are an amazing engineering feat that use steal piles, beams and timbers to create an entire transportation system underground! The Subway, mostly built underneath the extremely busy Yonge Street, had to be strongly supported, so first steel piles were placed vertically on either side of the street and then horizontal beams were placed on top to ensure t
On February 23rd, 1997, researchers at the Roslin Institute revealed a groundbreaking achievement that transformed modern biology: the successful cloning of a female lamb named Dolly . She was the first mammal to be cloned from an adult somatic cell, demonstrating that specialized cells could be reprogrammed to develop into a completely new organism. Scientists used microscopic tools to remove the nucleus from an egg cell and replace it with the nucleus from an adult sheep’s
