Questions about how E. coli evolves; spermatids in a dish; fighting bacteria with virus-like molecule; what drives metastasis; antibodies fight Ebola in monkeys
More than 320,000 mammalian viruses lurk; evolution of echolocation in bats and dolphins; accumulation of mutations in drug-resistant tuberculosis; senior researchers reluctant to retire
Beaks did it for Darwin. Now, monitoring real-time evolution of bacteria that infects finch eyes reveals repeated, rapid evolution of an emerging avian pathogen in backyards throughout the U.S.