And there are still skeptics who believe that building machines from individual molecules will always remain a science fiction tale.

They can make an old man young, or heal the sick, or create food from molecules in the air.

The plants also add some chemical energy to the fuel from biological molecules.

The range of their research on cognition spans from molecules to mind.

This more recent research could be influential in nanotechnology, building devices from single atoms and molecules.

Coverage focuses on organisms from molecules to the environment.

Other signals come from naturally fluorescent molecules within the cells.

Often it accompanies light emission from excited atoms or molecules in the gas.

Suppose it takes a few billion years to get from organic molecules to a civilization.

It exhibits physical characteristics that are completely anomalous from other molecules with similar size and structure.