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On the Trails: Herbivores and their plants

...stimulates the grasses to grow (in order to eventually produce seeds), helped along by fertilization from the animals' waste products. So when the next bunch of grazers passes by, the supply of grasses has recovered and even improved. Humans do something...
On the Trails: The many uses of urine

...Reading about porcupine courtship (see last week's essay) made me think about how other animals use this metabolic waste product. Urine is an excellent vector for delivering scents and hormones that are signals involved with courtship (as in porcupines...
On the Trails: Winter wanderings

...quite productive. We found a place where a hare had run back and forth, stopping long enough to eliminate colorful waste products and nibble the buds from the tip of a spruce branchlet that had been cut from a low-hanging branch several feet...
Empire Editorial: Is Fukushima tainting one of Alaska's most valuable resources?

...cause cancer. And many understand that certain chemicals, such as cesium-137 and strontium-9, contained in said waste products can accumulate in fish by being deposited in bones and muscle permanently.We are concerned our Alaska salmon are...
Beautiful lawn vs. faithful pet

...Dog waste chemistryUnderstanding why urine and feces can affect the lawn requires understanding the makeup of these waste products. The fundamental problem involves the concentration of nitrogen in the solid and liquid waste. Primarily in dogs...
Kidney donation brings 2 Anchorage women together

...failing for 10 years, in part due to a congenital condition that gave her abnormally high cholesterol. Kidneys filter waste products out of the blood. As her disease worsened, Teas, who is 63, grew more and more fatigued."You start feeling...
On the Trails: Dung - a resource for its producers

...slit through which the male feeds her and, eventually, the chicks. What a life!Humans have often used their own waste products, euphemistically called "night soil" to fertilize agricultural fields. This practice tends to foster the distribution...
How to be an egg

...into the body cavity.The growing embryo produces waste products, of course, as it metabolizes the yolk proteins...basic options for disposing of nitrogen-containing waste products of metabolism: ammonia, urea, and uric acid. Ammonia...
Recycling truck uses waste cooking oil

...everything. "The advantage is we're making use out of a waste product," Holstrom said. "With increased fuel prices, this...vegetable oil. First, the cost of shipping it as a waste product is eliminated. And second, less diesel is needed...
Fairbanks borough to resume recycling

...landfill had been hauling paper back to the base. The Air Force announced last year it would no longer accept borough waste products because it had privatized solid waste collection. Its new contract with R&D Environmental did not cover the backhaul...


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