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The “just right” binding properties of a monoclonal antibody from an Ebolavirus survivor help it neutralize the virus.

Researchers devise a technique for creating gametes from murine embryonic stem cells.

Researchers identify a molecule that protects antibiotic-treated mice from an opportunistic bacterial infection.

Thoughts on how to redesign clinical trials for traumatic brain injury

By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.

Neighboring neurons can manipulate astrocytes. 

Oligosaccharides found in breast milk stimulate the activity of gut bacteria, promoting growth in two animal models of infant malnutrition.

What does blood oxygen level–dependent functional magnetic resonance imaging actually tell us about brain activity? 

Even if animals do have emotions, anthropomorphism and language impede our understanding of their experiences.

Ancient DNA in the genomes of modern humans influences a range of physiological traits.

Scientists identify the brain circuits with which newly hatched nematodes form and retrieve a lifelong aversive olfactory memory.

Inhibiting the activity of a protein involved in the body’s stress response can ease chronic pain in mice.