News
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Health & MedicineInfections tied to head and neck cancers
Infections from human papillomavirus (HPV) may increase the risk of certain cancers of the head and neck, especially of the tonsils.
By Linda Wang -
ArchaeologyAncient ash flow brought sudden death
Analysis of the excavation in Herculaneum of the victims of the A.D. 79 eruption of Italy's Mount Vesuvius indicates that when the initial ash flow swept through the city, it arrived so quickly that some residents didn't even have time to flinch.
By Sid Perkins -
Viruses may play a part in schizophrenia
Scientists have for the first time linked high levels of retroviral activity in the central nervous system to some cases of schizophrenia, a severe mental disorder.