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February 27, 2017

Dousing Flames with Low-Frequency Sound Waves

A new type of extinguisher that uses sound waves to put out fires has been built by two engineering students in the US. Both chemical- and water-free, the invention offers a relatively non-destructive method of fire control, which could find applications in fighting small fires in the home, and the researchers now hold a preliminary patent application for their device.

While the concept of using sound waves to extinguish flames is not new, previous attempts to realize the principle – including efforts by teams at West Georgia University and the US Defense Advanced Research Projects Agency (DARPA) – had not been successful.

Undeterred by this, as well as initial [...]

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April 8, 2015

Tribes and Environmentalists Fight to Protect Yellowstone Grizzly From Hunters

The Pawnee Tribe of Oklahoma has joined the Shoshone-Bannock Tribes in opposing the delisting of the Yellowstone grizzly from endangered species status, in particular because such a move would allow trophy hunting, leaders say.RELATED: Shoshone-Bannock Tribes Oppose Delisting of Yellowstone GrizzlyAt the same time, on April 6 a group of conservationists and tribes sued over the hunting of grizzlies that interfere with the sanctioned elk hunt in nearby Grand Teton National Park, Reuters reported.“Tell them the Pawnee Nation means business,” Pawnee Councilman Adrian Spottedhorsechief said in a statement issued in conjunction with Guardians of Our Ancestors’ Legacy (GOAL), an [...]
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April 6, 2015

Heat-Seeking Drones Latest Weapon in Battle Against Rhino Poachers

With rhino poaching at its highest-ever level in South Africa, conservationists are using new tactics in their fight against those targeting precious wildlife.
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April 5, 2015

Find Out If Your French Fries, Lipstick, and Laundry Detergent Are Killing or Saving Orangutans and Tigers

A ranking of fast-food, personal-care, and brand-name products shows whether companies are obtaining palm oil from deforestation.
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