let in

In particular, they let in light within the blue and red ranges -- the optimal wavelengths for photosynthesis -- but appear to block ultraviolet radiation from penetrating into their shells where it might otherwise damage their DNA.

It's as if the nucleolus becomes leaky, letting in molecules that can wreak havoc on the fragile rDNA.

And in defence, they have conceded an average of 32 points a game so far this autumn, letting in 12 tries in three matches.

This season, they have already let in 11.

But beyond the EU, Montenegro has let in in more than 200,000 Ukrainians, making it the highest per capita Ukrainian refugee population in the world.