Some species of butterfly live for just a few hours, while a human being's life cycle can last for over one hundred years. This animated film shows the life cycle of a butterfly and a frog ...

videoWhat do plants need to grow? An animation showing the conditions a plant needs for growth. The life cycle of a plant. videoThe life cycle of a plant An animation illustrating the different ...

has spent several years creating the animations below. They graphically represent the life cycle of HIV-1, from the initial binding of the viral particle onto a host cell (Viral Entry), through ...