Sharks, diverse and vital for ocean health, range from gentle whale sharks filtering plankton to swift shortfin makos hunting prey. Bull sharks uniquely navigate both saltwater and freshwater environments, while tiger sharks exhibit adaptability as opportunistic feeders. These five species highlight the fascinating variety and ecological importance of sharks worldwide. Post navigation “As racist as always”: Martina Navratilova lashes at Donald Trump for attacking Smithsonian museums on slavery OpenAI chairman: Like dot-com boom, there will be winners and losers in AI