Researchers looked in detail at the hypothalamus section of the brain, which is known to regulate sleep, energy expenditure, appetite, thirst and many other critical biological functions.

BBC: Appetite control could be rewired, say researchers

Phosphorylation is a type of cell regulation involving the attachment to, or removal of, phosphate groups from proteins, thereby switching their biological functions on or off, or making them more or less stable.

BBC: Sir Philip Cohen

In the narrow terms of biological reproduction--as distinct from the social and economic functions of the family--he only slightly overstates the case when he declares men superfluous.

WSJ: Best of the Web Today

We are beginning to peer into the molecular domain, acquiring in-depth details of the functions of the cell and formulating theories that describe the intricate pathways of the biological universe.

FORBES: Can Science Eliminate Disease?

In 2002 MIT professors started a not-for-profit called BioBricks that has collected 2, 000 biological components, including gene sequences that sense light, produce light, send messages between cells and switch cell functions on and off.

FORBES: Architect of Life