This Week: Reading magma, predicting giant eruptions
In the News: Ship runs aground, 23 missing, 11 dead. Can tech be fail-safe?
The feds put out a massive report on American birds, and the #1 source of data is – amateurs! What is the role of amateurs in ornithology? Hint: if you want to survey 800 species on 3.5 million square miles…