Science On Top - Lots of updates!

So, I've sucked at writing up the last few Science on Top episodes. Mostly because I missed episode 19 and, because I wasn't actually in it, just forgot about writing it up. And then each episode just kept piling up and it became a block...you know how it is. "I'll do it! Really I will! I'll...ah bugger it. Mañana. And obviously, mañana turned into many mañanas. Yes, I'm aware that that's not the plural form of mañana.

Anyway, update dump:

( Science on Top 19 - Piece By Piece )

( Science on Top 20 - Smooshed )

( Science on Top 21 - Don Who )

( Science on Top 22 - Some Wrongness In There )

( Science on Top 23: Open-Cut Mines are Scenic )

PHEW! Remind me to never delay writing up SoT again...