17) When playing Settlers of Catan ask for lumber, not wood.

18) And say it's for construction, not erection.

19) Items of gossip are like living things that seek to reproduce using humans as their host.

20) A temporary cure for 'selective' mutism is a …a permanent cure is a .

21) You can increase productivity by singing a rhythmic work song, like the sea shanty.

or Frere Jacques.

https://www.youtube.com/watch?v=bXHDygbXLvM

22) 3-D printer is one word, a letter and a number, and maybe a hyphen.

23} Sheldon thinks that Zachary Quinto is the wrong Spock.

24) If you lose yourwhile drunk, "Youtube" is where you should check first...not last.

I dunno, weren't his pants in the microwave? I don't think youtube showed that.

25) You can employ operant conditioning techniques, for example by using chocolates to train someone like a lab rat, as positive reinforcement for what you consider correct behaviour.

26) But you mustn't.

27) If there are four persons wearing a Flash costume, they can walk right behind each other and it will look like one person going really fast.

28) In a proper sandwich, the cheese is adjacent to the bread to create a moisture barrier.

29) Human beings form emotional attachments as they grow up. It is possible to transfer those feelings to another person.