Showing results for: Chemistry

Rain falls to the ground when watervapour in the atmosphere forms droplets heavy enough to fall to earth.

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In summer and fall, tropical bodies of water have been warmed by the sun and store fantastic amounts of energy as heat. Tropical cyclones use that energy as their driving power... but what starts the engine?

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The electrons are what allow atoms to react with each other in chemical reactions, and they are also what cause certain compounds to emit light when heated.

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Over time, there has been a net depletion of ozone in the atmosphere. As a result, there is a higher risk of exposure to harmful UV radiation from the sun. Only a big international ban on CFCs prevented further destruction of ozone.

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Giant hogweed, why the frenzy of fear? The sap of the giant hogweed can cause severe burns and even temporary blindness. It’s a very obnoxious noxious weed!

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Have you ever gone to the dentist and, while working their magic on your teeth, they correctly guess the sort of food and drinks you’ve had lately? This mysterious feat of dental clairvoyance may seem impressive at first, but the evidence is wr

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All scientists, including physicists, chemists and biologists, use thermodynamics in one way or another. So what's the basic concept? Thermodynamics is the study of converting energy from heat into usable energy (e.g. work).

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Nanotechnology involves the construction of functional materials at the molecular/atomic scale, and it overlaps a variety of disciplines including engineering, chemistry, physics and biology.

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When an oil spill occurs in the ocean, like the catastrophe in the Gulf of Mexico, what do scientists do to clean up the toxic mess?

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Both nitric and nitrous oxide are gases, but that one little atom makes a big difference chemically!

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