The authors' rigorous and ingenious programme of work documents young humans' capacity for prosocial action (Warneken & Tomasello, 2009). Their laboratory findings are corroborated by centuries of observational data, spanning cultures, and historical epochs. Two general questions are raised. Firstly, what are the rules of evidence needed in using comparative data to make claims about the evolut...

Little is known about how production practices influence taro (Colocasia esculenta) corm density. This study was conducted to determine the effects soil type and harvest age have on corm density. Niue taro variety was grown on 3 soil types on Tutuila, American Samoa, and harvested 6, 7, 8, and 9 months after planting. Corm densities were measured using a double-weighing method: weighting the co...

satureja hortensis is a popular herb in most regions of the world with leaves used as seasoning. evidence shows that this plant contains phenolic components such as thymol and carvacrol with a relatively wide spectrum of antimicrobial activity. this study aimed at evaluating the efficacy of s. hortensis plant powder as an alternative to antimicrobial growth promoters in broiler diets. the plant...