Fast research: Like the name suggests, choose this option for a quick search to discover sources. Deep research: If you want a full, in-depth briefing and analysis, choose Deep Research. It'll take ...

Besides being better than Google for search, Perplexity, the artificial intelligence (AI) company, wants to be an expert on any subject with its new Deep Research feature. This cutting-edge tool, ...

Climate change, pollution, environmental degradation and resource depletion are just a few of the greatest challenges facing the world in the 21st century. Tackling these challenges means carrying out ...