The Hidden Universe - Alexandre Antonelli ![rw-book-cover|200x400](https://readwise-assets.s3.amazonaws.com/media/reader/parsed_document_assets/319460815/AWUW9gL2A_iu7WldpTMRjfJegGLl3qypPBiBmvJYt-g-my_c_zOG7pbV.png) ## Metadata - Author: **Alexandre Antonelli** - Full Title: The Hidden Universe - Category: #books ## Highlights - Applying this classification system, he was the first scientist to document, for instance, that whales and dolphins are more closely related to land mammals such as pigs, than to fish like tuna, despite their very different appearance and behaviour. ([View Highlight](https://read.readwise.io/read/01jx9dft0xt8vnjd295f49dbfn))