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.
âThe fish never surfaced, so we had no idea what was on the other end. After three hours, the fish surfaced and the skipper yelled, âTuna, world record!â. The Pacific bluefin tuna, caught after a four-hour marathon battle during a tournament on February 19, tipped the scale at 907 pounds. The New Zealand Sport Fishing Council this week stated that itâs the largest fish ever caught by a female angler off New Zealand.