Brief news items of note for Lifehacker readers, including: best cosplay from Adelaide's AVCon, scientists's create map of the distribution of dark matter, watch humpback whales 'mug' spectator boats off Sydney.
- Just when you thought it was safe to go back in the water. Humpback whales are 'mugging' spectator boats off Sydney. [Business Insider]
- Adelaide celebrated AVCon last month. As always, the cosplay was incredibly impressive. Kotaku has the images. [Kotaku]
- Australian scientists have helped to create the most accurate measurement ever made of dark matter structure in the universe. [Gizmodo]
- Business Insider takes a look inside the world of Silicon Valley's 'coasters' — millionaire engineers who get paid gobs of money and barely work. [Business Insider]