Life is teeming in every corner of the globe – from the frozen Arctics to the searing Sahara. And with over 8.7 million species documented till date, the earth is the only planet in the universe where life is known to exist. Advancements in technology have opened up even more insights about life and its constituents. For instance, discoveries such as viruses have scrutinized traditional definitions and pushed scientists to look at life from a whole new perspective. Explore the science of life by learning about the systems and structures that make up the organisms of our worldExplore the science of life by learning about the systems and structures that make up the organisms of our world