ability

Many of the affected genes are normally responsible for microglia's ability to remove waste, including amyloid.

"They really complemented each other. Trent could go inside, draw people towards him, which freed up more space for Salah. And when Salah drove at people he had the ability to feed Trent because teams were backing off."

Alexander-Arnold's comfort in possession with his fellow defenders, plus the ability to move into midfield, means his presence is also sorely missed elsewhere.

As Liverpool's title defence stalled before beating Villa, Alexander-Arnold's ability to unlock defences may have aided them as, by Slot's own admission, they have struggled against teams who defend deep and use long balls.

And access to the university's websites from China was blocked, impeding its ability to recruit Chinese students, in a campaign of threats and intimidation lasting more than two years.