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Parasitic fish offer evolutionary insights

Lamprey are slimy, parasitic eel-like fish, one of only two existing species of vertebrates that have no jaw. While many would be repulsed by these creatures, lamprey are exciting to biologists because they are so primitive, ...

dateMar 20, 2017 in Evolution
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Switching between freezing and flight

Andreas Lüthi and his group at the FMI have identified two types of neurons in the amygdala, each of which generates a distinct fear response – freezing or flight. In addition, these two cell types interact, thus creating ...

dateJan 25, 2017 in Plants & Animals
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