Wednesday, December 18, 2019

How immune cells switch to attack mode

Macrophages have 2 faces: In healthy tissue, they perform important tasks and support their environment. However during an infection, they stop this work and hunt down the pathogens instead. Upon coming into contact with bacteria they change their metabolism drastically within minutes.

from Latest Science News -- ScienceDaily https://ift.tt/2PBr6hT

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Scientists rediscover lost Megalodon fossils—and reveal a 79-foot giant

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