In the 1943 Luria–Delbrück experiment, what did bacterial fluctuations show about virus resistance?
Answer
Mutations arise before selection
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In the 1943 Luria–Delbrück experiment, what did bacterial fluctuations show about virus resistance?
Answer
Mutations arise before selection
In Benjamin Franklin’s 1752 kite experiment, what did the electrical sparks indicate about lightning?
Answer
Lightning is electrical
In the 1989 Fleischmann–Pons experiment, what extraordinary claim did the researchers make about electrolysis?
Answer
Cold fusion
In the 1983 Alvarez experiment, what did the researchers use to test the asteroid-impact explanation for dinosaur extinction?
Answer
Iridium anomaly
In the 1909 Geiger–Marsden experiment, what unexpected feature appeared in a small fraction of alpha-particle scattering?
Answer
Large-angle deflection
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In Benjamin Franklin’s 1752 kite experiment, what did the electrical sparks indicate about lightning?
Answer
Lightning is electrical
In the 1887 Michelson–Morley experiment, what did the investigators fail to detect?
Answer
Earth’s motion through the ether