Fig. 4From: Trust, tribalism and tweets: has political polarization made science a “wedge issue”?Heterophily scores of senators in communication and affiliation networks. Each focal senator was assigned a heterophily score based on the mean weight of his or her links to senators from a different party in (a) direct communication and (b) indirect affiliation networks. Senate Republicans are represented in red, Senate Democrats are in blue, Senate Independents are in green. A higher value indicates a greater propensity to be connected to senators from the opposing partyBack to article page