Which scientific product innovation was specifically designed to prevent laboratory cross-contamination and is now used in labs worldwide?

Scientific breakthroughs often lead to revolutionary products that change our world. From laboratory discoveries to commercial applications, the journey of innovation in science requires both brilliant research and thoughtful product design. This trivia question tests your knowledge of a significant scientific product that transformed an industry through innovative design and application. Can you identify which pioneering scientific product correctly matches its innovation story?

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• The micropipette with disposable tips, invented by Heinrich Schnitger in 1957
• The Bunsen burner, developed by Robert Bunsen in 1855
• The scanning electron microscope, invented by Max Knoll and Ernst Ruska in 1931
• The polymerase chain reaction (PCR) machine, developed by Kary Mullis in 1983

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