Abstract Nymphidae, the group of split-footed lacewings, is a rather species-poor group. Split-footed lacewings nowadays are restricted to Australasia, while fossil forms also known from other areas world, indicating that was more species-rich and therefore likely diverse in past. have distinct larvae, roughly resembling antlion but differing latter especially with regard mandibles. Antlion lar...

Some people look younger than their age, others older. Have you ever wondered why? Can we help our bodies age more slowly? Although there seems to be no way reverse the process of aging, may able slow it down. Improving diets help! Humans are born with an internal biological clock within cells, which reflects aging state body. This is called epigenetic clock, and can changed by what eat. In thi...

How does agricultural insurance affect the modernization of farming in low income countries? We focus on institutional contexts without formal contract enforcement, where smallholders cannot access modern inputs via markets. Instead, farmers can engage relational contracting with traders to sell their crop and gain (as an advance in-kind payment). Although conventional theory assumes that “crow...