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AstronomyAn assault on comets
Over the next few years, a trio of comet missions, one of which was launched recently, promises to provide the closet look yet at the core of these icy relics from the formation of the solar system.
By Ron Cowen -
Health & MedicineViral Survivor
Epstein-Barr virus, the cause of diseases ranging from mononucleosis to several kinds of cancer, has begun to reveal how it enters human cells and protects itself from the immune system.
By John Travis -
19097
This article gives the incorrect and highly misleading definition of how wood preservatives work: by releasing “toxins into the water, killing everything nearby.” False. The treated wood itself becomes unpalatable to these organisms.