[Eisenstein]

Probably frowned on to bring in food stuff and make it in a bio lab.

[andrewflnr]

This makes sense. Even if you're not going to drink the tea in the office, even the appearance of making food in a lab space might well be enough hassle that it's easier to just bring sampling equipment home.

[triceratops]

Most workplaces have a space to make tea or coffee.