Why Long Ships Can Still Wobble in the Water

Navy Day: Putin poses in front of... a submarine poster

Does a ship's propeller really cost this much for a single rotation? 😮

Fraggle the dolphin has lost her last four calves, according to Geographe Marine Research. #Dolphin #Marine #Australia #Wildlife #Sea #BBCNews

Top 5 Largest and Deadliest Sea Creatures Ever Found #wildlife #top5