This is a Google AI product that can converse with you about any document you upload to it, and can convert any complicated document you upload to something simpler.

AI research assistant with access to peer-reviewed articles! Provides useful research reports. 

AI research assistant for peer reviewed articles. 

One of the best research assistants! Will provide peer reviewed articles based on any query, along with citations and more. Excellent for high school students or any lifelong learner.