cells, reproduce quickly. Other cells, like nerve cells, grow slowly. Both normal cells and cancer cells go through a sequence of steps, or phases, when they form new cells. This is called the cell cycle.
On a cold, foggy morning, an army wakes on the banks of a river. A tall soldier named Jim Conklin begins his day by washing his shirt, and rushes back to camp to report a rumor he has overheard: the regiment will move into battle the next day.
Basketball players are known for being tall, but even among giants this 18-year-old player manages to stand out. Prep player Tacko 'Taco' Fall is 7ft 5in tall, which would make him the tallest player in the NBA if he signed up today, topping Oklahoma City centre Hasheem Thabeet by two inches. He wears size 22 shoes - the same as Shaquille O'Neal - eats entire pizzas covered with chicken and hamburger to keep his 18-stone weight up, and has an 8ft wingspan.