Need an original paper?
Buy Essay Now
Research Database of Quotes
It is sometimes difficult to be inspired when trying to write a persuasive essay, book report or thoughtful research paper. Often of times, it is hard to find words that best describe your ideas. Paper-Research now provides a database of over 150,000 quotations and proverbs from the famous inventors, philosophers, sportsmen, artists, celebrities, business people, and authors that are aimed to enrich and strengthen your essay, term paper, book report, thesis or research paper.
Try our free search of constantly updated quotations and proverbs database.
Browse Authors
(Click a letter to view the authors)
Martin Kennedy Quotes
«One of the things we least understand is why animals evolved so late in Earth history. Why did animals wait until the 11th hour, whereas evidence for more primitive life dates back billions of years? One of the best bets to explain the difference is an increase in oxygen concentration in the atmosphere.»
Author: Martin Kennedy
«The clay minerals are acting essentially like kitty litter, absorbing organic molecules in the oceans. This is totally, absolutely new.»
Author: Martin Kennedy
«We predicted we would only find a significant percentage of clay minerals in sediments toward the end of the Precambrian, when complex life arose, while earlier sediments would have less clay content. This test is easier than it sounds. Because clay minerals make up the bulk of sediment deposited today, we are saying that it should be largely absent in ancient rocks. And this is just what one finds.»
Author: Martin Kennedy
«NASA is interested in what conditions to look for on other planets that might lead to the arrival of life. What are the processes? Using earth as our most detailed study site, what are the necessary steps a planet needs to go through to enable complex animal life to arise? If oxygen is the metabolic pathway, then we need to know what conditions have to allow for that to happen. The geologic record provides us with a record of these steps that occurred on Earth.»
Author: Martin Kennedy