Subscriptions  Newsletter  Site Demo  Librarians  Help/FAQs  About  Contributors  Consulting Editors  Contact   Log In

Advanced Search    About Search

Study Center Q & A Answers from our experts to important scientific questions. Submit a question Our editors will select questions from those submitted and post their answers here. Display: Agriculture, Forestry & Soils Anthropology & Archeology Astronomy, Space & Science Biological & Biomedical Science Chemistry Computing & Information Technology Earth Science Engineering & Materials Environmental Science Mathematics Medicine Navigation Paleontology Physics Psychiatry & Psychology Veterinary Medicine Agriculture, Forestry & Soils: Field crops, grasses, plant fibers, spices, tree crops, herbs -  What types of spectrometers are used specifically in drug testing? -  How was corn domesticated? -  What is the Green Revolution? Forestry -  How do temperate rainforests differ from tropical rainforests? -  How would you research the best way to design an environmentally friendly town center? I am a teacher planning a project for an environmental science class. The town center would include a movie theatre, stores, restaurants, a park and an art center. General -  What is "precision agriculture"? -  What is the Green Revolution? Plant breeding -  What is the Green Revolution? Soil/crop practices -  What is the difference between weathering and erosion? Soils -  Assuming that Fuel Cell automobiles are the most likely candidates to replace the internal combustion engine, can our forests reduce the CO and CO2 in our atmosphere, or is it too little - too late? Sample questions from Q & A: Psychiatry & Psychology Q: Does memory vary according to whether audio or visual learning is experienced? A: The answer is yes, and the details are fascinating. Read full answer Computing & Information Technology Q: What is the difference between computer science and computer engineering? A: Computer science is the study of both theoretical and practical aspects of computation and information processing. Computer engineering is a discipline that combines computer science and electrical engineering, with emphasis on hardware and architectural aspects such as circuit design, digital signal processing, and control systems. Read full answer Astronomy, Space & Science Q: Why is collision of the Earth with another planet the favored explanation for the formation of the Moon rather than capture, fission, or co-formation? A: The most likely explanation for the formation of the Earth's Moon is that it is the result of a giant impact between a Mars-sized planet and the early Earth. Read full answer

Copyright © The McGraw-Hill Companies. All rights reserved. Privacy Notice. Any use is subject to the Terms of Use. Additional credits and copyright information.