News
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AnimalsNot-So-Great Hunter: Said the spider to the fly—Eek! I’m outta here
The poisonous brown recluse spider may turn out not to be a fearsome hunter so much as a scavenger.
By Susan Milius -
Calcium Makes Germs Cluster: Ion dilution leads cholera bacteria to disperse
A protein on the surface of cholera-causing bacteria enables the pathogens to clump together in seawater and to scatter when they enter fresh water, perhaps facilitating seasonal outbreaks of cholera in coastal areas.
By Ben Harder -
Forgetting to Remember: Emotion robs memory while reviving it
A common biological mechanism may boost memory for emotional events and block recall for what happened just before those events occurred, at least over the short run.