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His work has influenced a wide range of topics including political and economic thinking. ... If poor people do worse on intelligence tests than rich people, the obvious reason is education.

He set about a series of experiments to test the senses of worms; he had his children play instruments to them, his wife (who was trained by Chopin) played the piano

It would also be possible to test for E. coli in both portions. ... When ID claims a particular trait is irreducibly complex, science can test this claim.

His gift to psychology did not stop there; his work on human evolution and the expression of emotions demonstrated how empirical tests can be performed using data from different species to

Dr. Thompson decided to test the idea by creating a circuit that could distinguish between two different inputs, one at 1kHz and one at 10kHz.

The fact that Darwin’s ideas took so long to be accepted shows us two things: how far ahead of the game Darwin really was, and how science rigorously tests evidence

Careful observations and tests over the last century have firmly shown natural selection is responsible. ... He addressed all the major criticisms made and even carried out an experiment comparing rates of bat predation on the different forms to test

It is also not the most expensive part, compared with animal tests and subsequent clinical trials.

Darwin also carried out various experiments to test sexual selection. These included plucking game cocks’ tail feathers, cutting the “eyes” out of a peacock’s tail and shortening or artificially enhancing

To test this idea they took the Pax6 gene from a healthy mouse and put it into the offspring of blind flies.