Teaching tool created for hydrology education When it rains, streams rise. When it stops, they fall.This article is brought to you by Phys.Org. Ideological polarization and spread of biased or fake news on Facebook are on the rise, according to study Agree to disagree: Why we fear conflict and what to do about it Why are young people more likely to cast informal votes? It’s not because they’re immature Offline interactions predict voting patterns better than online networks, finds study