Pancreatic ? cells maintain high amounts of the signaling molecule inositol pyrophosphate, assuring a ready release of insulin in response to metabolic demands   

Transcription factors that modulate light responses in plants have been co-opted from an ancestral transposon, suggesting that mobile elements are a driving force in evolution

L-Dopa, a common treatment for Parkinson’s disease, impairscertain forms of learning, whereas deep brain stimulation inappropriately accelerates decision making