The study, set to be published in the October 15th issue of Environmental Pollution, has provided evidence that microscopic plastic particles, which were discovered in the fats and lungs of around two-thirds of the marine mammals investigated, are not confined to the digestive tracts of these creatures but can migrate and embed themselves in their vital tissues.
A study in the Marine Mammal Science journal examines the question of why Southern Resident orcas in the Pacific Northwest harass and sometimes kill porpoises without eating them.
Such behaviour has been passed down through the generations and across social groupings, and has been recorded as far back as 1962.
The question of why comes to mind.
Certainly not to eat them. Southern Resident orcas do not harass the porpoises to consume them.
The IJN Akagi, a Japanese aircraft carrier sunk during the pivotal Battle of Midway in World War II, has been surveyed underwater, offering a detailed look at the historic warship. The survey provides insights into the ship's condition and its final moments during the war.
Recent research, published in Current Biology, has uncovered intriguing insights into their cognitive abilities that challenge the notion that jellyfish lack intelligence.
