Sleep starts when brain cells sense energy overload and release stress signals to protect themselves from harm.

A world-first artificial cell can chase chemicals using only a membrane, an enzyme, and a pore—no DNA or motors needed.

In a scientific first, researchers from Vanderbilt University and the University of California, San Diego, have generated a ...

Human egg cells wait in the ovaries from before birth until they are finally called upon, sometimes 40 years later, to kick ...

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Energy transfer is the process by which energy is relocated from one system to another, for example, through the transfer of heat, work or mass transfer.