Understanding how plants defend themselves from bacterial infections may help researchers understand how people and other animals could be better protected from such pathogens. That's the idea behind a study to observe a specific bacteria that infects tomatoes but normally does not bother the common laboratory plant arabidopsis.

Children with insomnia and shorter sleep duration had impaired modulation of heart rhythm during sleep, researchers report.

Feeding the amino acid tryptophan to young female pigs as part of their regular diet makes them less aggressive and easier to manage, according to a new study.

A purified form of an omega 3 cuts the number and size of precancerous bowel growths (polyps) in people whose genetic makeup predisposes them to bowel cancer, finds new research.

The history of students who copy homework from classmates may be as old as school itself. But in today's age of lecture-hall laptops and online coursework, how prevalent and damaging to the education of students has such academic dishonesty become? According to new research, it turns out that unnoticed student cheating is a significant cause of course failure nationally.

In general, galaxies can be thought of as "social" -- hanging out in groups and frequently interacting. However, a new Hubble Space Telescope image highlights how some galaxies appear to be hungry loners. These cosmic oddities have set astronomers on the "case of the missing neighbor galaxies."

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Troubled children diagnosed with bipolar disorder may fare better with a different diagnosis, according to new research. The researchers support an emerging approach, which gives many of those children a new diagnosis called severe mood dysregulation or temper dysregulation disorder with dysphoria.

Researchers in Illinois have discovered widespread occurrence of plant-parasitic nematodes in the first reported nematode survey of Miscanthus and switchgrass plants used for biofuels.

Young adults diagnosed with non-Hodgkin's lymphoma appear to have a higher risk of dying from the disease than do children and teens.