End of the acid reign?

Article Abstract:

Stoddard and colleagues have reported that the chemistry of surface waters shows signs of a reversal of the acidification process. They assess chemical trends from 1980 to 1985 and examined regional differences in the trends. The observed recovery suggest that the international legislation is having a positive effect on the natural environment, but there is no clear evidence of biological recovery.

Research, Observations, Acidification, Environmental chemistry

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Egypt's Red Sea

Article Abstract:

The dramatic decline in tourist arrival in Egypt following the 1997 Temple of Queen Hatshepsut shooting is a boon to divers in the Red Sea. There are very few divers and boats populating the once crowded coral reefs in the area.

Egypt, Description and travel, Skin diving, Red Sea

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Leaders of the pack

Article Abstract:

Several types of circular saws are described: the 7 and 1/4-inch standard, the worm-drive power, and the sidewinder speed. Purchasing advice is also provided.

Purchasing, Buyers Guide, Blades, Blades (Cutting edges), Blades (Equipment components), Circular saws

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