THE importance of Protozoa in determining the condition of the sludge has been reported by a number of workers and, more recently, the special significance of Vorticella has been emphasized by Pillai ...

Many doctors caution their pregnant patients to avoid cat feces; even the family pet's litter box is off-limits. Now researchers have discovered a promising therapy for those who suffer from ...

Knowledge of viral diversity is expanding greatly, but many lineages remain underexplored. We surveyed RNA viruses in 52 cultured monoxenous relatives of the human parasite Leishmania (Crithidia and ...