study something formally
give new understanding about something
find out something important
prepare to do something that is new and difficult
join things together
find out something important after working a long time
see something that is happening and understand that it is important
give the answer to a problem
get more information or understanding about something
f) gain knowledge
e) provide insight
b) make a breakthrough
a) make a discover
i) provide a solution
h) carry out research
d) make a connection
g) notice a phenomenon
c) face a challenge