The range of helpful bacteria in the guts of infants delivered by Cesarean section, during their first two years of life, is narrower than that of infants delivered vaginally, indicates a small study.

Multi-pond solar salterns consist of a series of interconnected ponds with increasing salinity, from seawater level to sodium chloride saturation (Benlloch et al., 2002; Pašić et al., 2005; Oh et al., ...