Nah, replication is enough, shows interest. This meme was stolen, thus it lives on as a vehicle. The intention here is to simply get people interested in the world around them. Not sure what the original goal was. This one just has a little more .jpg than the last. I’ve seen variants of this one, regardless. This is an old one.
Here is an example for searching for “cats” with academic turned on. It’s not just .edus but it’s definitely part of the weighting. Nature is usually the first hit obviously.
You can also make custom searches with parameters and link easy access third party buttons. I did one for Google shopping for instance.