Learn more about the National Academies’ various programs designed to connect, engage, and inspire. In 2005, the National Academies released the book, Guidelines for Human Embryonic Stem Cell Research ...

In the beginning, one cell becomes two, and two become four. Being fruitful, they multiply into a ball of many cells, a shimmering sphere of human potential. Scientists have long dreamed of ...

Examples of multicellular organisms include animals and most species of plants. The following diagram shows the variety of human cell types.

When cells express specific genes that characterise a certain type of cell we say that a cell has ... These changes are known as mutations. Human genomics The human genome is made from DNA.

"Our study provides a landscape view of the human sense of touch ... very specific—that one type of nerve cell detects cold, another senses a certain vibration frequency, and a third reacts ...