With the help of directed evolution, scientists inch closer to developing viral vectors that can cross the human blood-brain barrier to deliver gene therapy.

Scientists transferred light-harvesting proteins into yeast for the first time, shining a light on the past lives of eukaryotic cells.

Ferreting out the biological function of dreaming is a frontier in neuroscience.

The scenarios that run through our sleeping brains may help us explore possible solutions to concerns from our waking lives.

Fear binds us to our human and nonhuman ancestors. Understanding the emotion can help us grapple with challenges we face today.

Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.

Welcome to the Microbiome, The Paradox of Evolution, Newton's Apple, and Dawn of the Neuron.

Touch, The Altruistic Brain, Is Shame Necessary?, and Future Arctic

Neuroscience is starting to unravel the evolutionary underpinnings of mammals’ selflessness.

Evolving, The Moral Molecule, Aping Mankind, and Experiment Eleven