Metro Campus Library : It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results. Databases Science- Gale in Context Contains contextual information on today's most significant science topics in full-text magazines, academic journals, articles, experiments, images, videos, audio files and links to vetted websites. From there, we quickly grew into an award-winning source of unbiased, reliable, easy-to-understand answers and explanations of how the world actually works.
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Biology for Majors (BIOL 1224): Home
Planet Diary Geosphere Activity
After World War II, geologists developed the paleomagnetic dating technique to measure the movements of the magnetic north pole over geologic time. In the early to mid s, Dr. Robert Dubois introduced this new absolute dating technique to archaeology as archaeomagnetic dating. How does Magnetism work? Magnetism occurs whenever electrically charged particles are in motion. The Earth's molten core has electric currents flowing through it.
Radiocarbon dating also referred to as carbon dating or carbon dating is a method for determining the age of an object containing organic material by using the properties of radiocarbon , a radioactive isotope of carbon. The method was developed in the late s at the University of Chicago by Willard Libby , who received the Nobel Prize in Chemistry for his work in It is based on the fact that radiocarbon 14 C is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.
History, anthropology, and archaeology are three distinct but closely related bodies of knowledge that tell man of his present by virtue of his past. Historians can tell what cultures thrived in different regions and when they disintegrated. Archaeologists, on the other hand, provide proof of authenticity of a certain artifact or debunk historical or anthropological findings. Studying the material remains of past human life and activities may not seem important or exciting to the average Joe unlike the biological sciences. It is in knowing what made past cultures cease to exist that could provide the key in making sure that history does not repeat itself.