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How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable.
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Friedrich Mohs was a German geologist who studied minerals (a mineralogist!). He lived from 1773 to 1839. He moved to Austria in 1801 where he found a job identifying minerals in a collection owned by
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Charles Darwin was an English Naturalist who lived between 1809-1882. In 1859, with the publication of The Origin of Species by Means of Natural Selection, he challenged existing views on the appearance
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Christian Doppler was an Austrian mathematician who lived between 1803-1853. He is known for the principle he first proposed in Concerning the coloured light of double stars in 1842. This principle is
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Ben Franklin was an American scientist and statesman who lived between 1706-1790. At a time when little was known about electricity, he carried out many experiments to learn of its dangers and possible
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Edmond Halley was an English astronomer who lived between 1656-1742. Using historical records, his own observations, and Newton's universal law of gravitation, he reasoned that the comets which had appeared
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William Herschel was born in Germany and lived in England while he worked as an astronomer. He lived between 1738-1822. He built reflecting telescopes of high magnification, that let him observe the universe
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Christian Huygens was a Dutch physicist and astronomer who lived between 1629-1695. He found new methods for grinding and polishing lenses, making telescopes more powerful. Using a telescope he had made,
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