Share and share alike? Twins and environmental risk factors for inflammatory bowel disease

Environmental risk factors for inflammatory bowel disease.

Crohn's disease (CD) and ulcerative colitis (UC) are chronic immunologically mediated diseases that often have a relapsing-remitting course in young persons. Genetic-risk polymorphisms explain less than one third of the heritability of disease. Epidemiologic and laboratory data suggest that environmental factors play a significant role in influencing the risk and natural history of disease. Smo...

Share and share alike isn't always the rule in science.

Share and Share Alike: Integrating Internet Resource Sharing Into Learning

Despite instructors’ concerns, students use “non-scholarly” Internet information resources to address their knowledge gaps or supplement their learning. In this research, students were encouraged to use such Internet resources to complete an individual course assignment and then share those resources to create a group submission. This allowed an investigation of perceived learning and developme...

Share and Share Alike? Intelligence, Socialization, Personality, and Gender-Pairing as Determinants of Giving

We conduct dictator game experiments in which women and men are allowed to split $10 with a completely unknown person or a person of known gender. Subjects also complete personal background surveys, personality tests, and a cognitive test. We find that (a) gender information significantly affects giving only in the case of women, who give systematically less to women than to men and persons of ...

Peer-to-Peer Service Sharing Platforms: Driving Share and Share Alike on a Mass-Scale

The sharing economy has been growing continuously in the last decade thanks to the proliferation of internet-based platforms that allow people to disintermediate the traditional commercial channels and to share excess resources and trade with one another effectively at a reasonably low transaction cost. Whereas early peer-to-peer platforms were designed to enable file sharing and goods trading,...