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Study Center

Answers from our experts to important scientific questions
Submit a question Our editors will select questions from those submitted and post their answers here.
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Agriculture, Forestry & Soils:
Forestry

- How do temperate rainforests differ from tropical rainforests?

General

- What is the Green Revolution?

- What is "precision agriculture"?

Soil/crop practices

- What is the difference between weathering and erosion?
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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Environmental Science | Ecology - general
Q: 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.

A: Designing an environmentally friendly town center is a rich and complex topic. From global environmental quality to biodiversity of local streams to individual health and fitness, urban design profoundly impacts many relationships between people and their environment.

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Medicine
Q: Why is garlic used to treat cold or fever?

A: When raw garlic is crushed, an enzymatic reaction transforms the sulfur-containing compound alliin into allicin, an unstable compound that is responsible for the odor of fresh garlic. Allicin has been shown to have antiviral, antibacterial, antifungal, and antiprotozoal activity.

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