Vaccination

EXPLAINER: Are we going to need COVID-19 booster shots?

Just because Pfizer wants to offer COVID-19 vaccine boosters doesn't mean people will be lining up anytime soon—U.S. and international health authorities say that for now, the fully vaccinated seem well protected.

Medical research

Muscles retain positional memory from fetal life

A research collaboration based in Kumamoto University, Japan has discovered that muscles and the resident stem cells (satellite cells) responsible for muscle regeneration retain memory of their location in the body. This ...

Genetics

Memory making involves extensive DNA breaking

The urgency to remember a dangerous experience requires the brain to make a series of potentially dangerous moves: Neurons and other brain cells snap open their DNA in numerous locations—more than previously realized, according ...

Neuroscience

Scientists discover a new class of memory cells in the brain

Scientists have long searched in vain for a class of brain cells that could explain the visceral flash of recognition that we feel when we see a very familiar face, like that of our grandmothers. But the proposed "grandmother ...

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