Saying that, Robinson is a good place to study Natural Sciences. There are many scientists in each year there is always someone to help with work and empathise with you over Saturday morning lectures and all-day practicals.
Supervisions are within college, and tend to be well arranged.
As in all colleges, some supervisors are better than others, but you can always change, and Directors of Studies are positively eager to provide extra supervisions if you think you need them. Robinson holds one or two social events a term for its natural scientists, usually organised by students and consisting of copious amounts of wine followed by a trip to formal hall.