Negative Staining Negative staining is a rapid procedure used for viewing small particles, such as viruses, in fluids. For specimen processing, large particles (e.g., bacteria or cell debris) should be centrifuged out at a low speed (e.g., at â¼2,000 Ã g) for 3 to 5 min.
The official IGFA world record for great white sharks was set on April 21, 1959. A man named Alf Dean caught a 2,664 pound great white shark off Ceduna, Australia. And hereâs the best part: this catch beat the old record by a mind-boggling 1,596 pounds.
The rare goblin shark was caught by fishermen on the NSW south coast. A rare and very unusual shark was caught by fishermen trawling off Green Cape, south of Eden on the NSW south coast last Thursday.The creepy looking fish, known as a goblin shark (Mitsukurina owstoni), was accidentally caught by local fisherman in a net along with a load of crayfish.The shark is sometimes called a living fossil and is usually found near the sea floor at depths of about 1200 metres.he rare goblin shark was caught by fishermen on the NSW south coast. A rare and very unusual shark was caught by fishermen trawling off Green Cape, south of Eden on the NSW south coast last Thursday.