Rare Footage Helps Explain What Narwhals Use Their Tusks For

Rare Footage Helps Explain What Narwhals Use Their Tusks For

Please see the complete, original care2 article by Alicia Graef at the link below.

Scientists are marveling over never-before-seen footage of narwhals that has brought to light new evidence for what those unicorn-like tusks are actually used for. Narwhals are toothed whales who live in the Arctic waters of Canada, Greenland, Norway, and Russia, but they don’t actually have any teeth in their mouth. Instead, the males grow a long

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Researchers Suggest Quality Guidelines for Recycled Water

Researchers Suggest Quality Guidelines for Recycled Water

A University of British Columbia research team has investigated the potential reuse of municipal wastewater in urban applications, provided that people don’t drink or cook with it.

Engineering researchers at UBC’s Okanagan campus have developed guidelines for the microbial quality of recycled water for non-potable uses including laundry, landscape irrigation, agriculture, vehicle washing and firefighting. Greywater from laundry, dishwashing and showers, and black water from toilets can be recycled and … [more…]