The adult stem cells are derived from adult tissue, and have the ability to regenerate into all the cell types of the organ from which they originate. Embryonic Stem Cells, on the other hand, are stem cells...

Goose, Duck and Swan are three distinct types of birds that are in fact close relatives. They all belong to the Anatidae family of birds. The Anatidae family of birds is located all over the world, except...

Genome is the genetic material of an organism. The genome is coded in DNA, or in RNA for many types of viruses. DNA stands for deoxyribonucleic acid. It is a nucleic acid made up of molecules that encode the...

Water Cycle or Hydrologic Cycle or the H2O cycle describes the continuous movement of water from on, above and below the surface of Earth. It is the journey, which water takes as it circulates from the land to...

Delta is a sedimentary deposit formed at mouth of some rivers. It is usually triangular in shape. On the other hand, an estuary is a semi-enclosed body of water where fresh water meets the ocean.