Energy and mass are interchangeable.
Fact #1762
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Sound cannot travel through a vacuum.
Fact #136 · Science
Some prehistoric creatures were larger than modern equivalents.
Fact #733 · Science
The Michelson-Morley experiment attempted to detect the presence of the 'aether.'.
Fact #1005 · Science
The human eye can detect a single photon.
Fact #1706 · Science
Dark matter is believed to make up most of the universe’s mass but has not been directly observed.
Fact #1594 · Science
The identification of vitamins advanced nutritional science.
Fact #1229 · Science
The extinction of the dinosaurs allowed mammals to diversify.
Fact #751 · Science
The invention of the thermometer improved diagnosis of illness.
Fact #1232 · Science
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