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Answers from our experts to important scientific questions

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Psychiatry & Psychology:
Physiological psychology

- Does memory vary according to whether audio or visual learning is experienced?

- Does everybody dream?

- Why do we have different phases of sleep?

Psychiatry

- Is the cause of Alzheimer's disease known?


Sample questions from Q & A:

Agriculture, Forestry & Soils
Q: How do temperate rainforests differ from tropical rainforests?

A: Both rainforest types grow in very wet climates and are of high value for conservation. However, tropical rainforests grow only in hot climates and are very diverse with complex canopies, whereas temperate rainforests are much less diverse, have dense undergrowth, and occur mostly in cool coastal climates at high latitudes.

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Other Engineering Disciplines
Q: In the United States, what is the most common type of ingested poison? How many people suffer from it each year?

A: First, let's review some of the founding principles of toxicology, the science of poisons.

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Psychiatry & Psychology
Q: Technologically, is it possible to make a conscious robot? (Answer 1)

A: Such a robot would most likely have a computer "brain." Before addressing the question, we need to consider if a computer could be conscious. This question opens others, all within the areas of computer science and artificial intelligence.

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