Even the most careful chosen meal can contain surprises. To defend against infectious microbes, viruses or other potential hazards that find their way to the intestines, a dedicated contingent of immune cells keeps watch within the thin layer of tissue that divides the contents of the gut from the body itself.

Lack of sleep, already considered a public health epidemic, can also lead to errors in memory, finds a new study by researchers at Michigan State University and the University of California, Irvine.

The sweet and salty aroma of sunscreen and seawater signals a relaxing trip to the shore. But scientists are now reporting that the idyllic beach vacation comes with an environmental hitch.

University of Tennessee, Knoxville, research finds life can persist in a cold, dark world.

Scientists develop algorithm to uncover genomic insertions and deletions involved in autism, OCD.

A new study at Wellesley College demonstrates that the immune system can produce cells with stem cell properties.

Scientists at the National Center for Atmospheric Research (NCAR) and partner organizations launched a major field project across the northern Front Range of Colorado last month to track the origins of summertime ozone, an invisible but harmful pollutant.

Zombie ant fungi manipulate hosts to die on the 'doorstep' of the colony

New study suggests bacteria help program metabolic development.

Authors find that Giant South American river turtles have a repertoire of vocalizations for different behavioral situations, including caring for young.

Although HIV can now be effectively suppressed using anti-retroviral drugs, it still comes surging back the moment the flow of drugs is stopped. Latent reservoirs of HIV-infected cells, invisible to the body’s immune system and unreachable by pharmaceuticals, ensure that the infection will rebound after therapy is terminated.

Cell-like compartments produce proteins and communicate with one another, similar to natural biological systems