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Πέμπτη 31 Ιουλίου 2014

Rare footage: First contact made with isolated Amazon jungle tribe

Δημοσιεύτηκε στις 31 Ιουλ 2014
A Brazilian government agency released video of an indigenous tribe that researchers say lives in complete isolation in the thick of the Amazon jungle after they first made contact with the group in June. The group lives in a jungle area near the border of Peru in the Amazonian state of Acre in northwestern Brazil.Brazil's National Indigenous Foundation (Funai) said it has been monitoring the group since 2008, but direct contact was not made until June.

Researchers from Funai, the Front for Ethno-Environmental Protection and members of neighbouring tribes say they are working to contain the group and protect their integrity and environment.


Mucky Secrets - Part 17 - Sea Snails & Flame Scallop - Lembeh Strait





Δημοσιεύτηκε στις 31 Ιουλ 2014
Sea snails and electric flame scallop. Part 17 of my documentary, "Mucky Secrets", about the fascinating marine creatures of the Lembeh Strait in Indonesia.

As we continue to examine molluscs (mollusks, Mollusca) in this documentary series, we take a quick look at the electric flame scallop (Ctenoides ales), otherwise known as the "disco clam", "fire clam" or "electric clam". The flame scallop is a type of bivalve (Bivalvia). It appears to emit luminescent electrical pulses, but actually it is rolling and unrolling the edges of its mantle, revealing special particles that simply reflect light. The display is thought to attract phytoplankton as food and perhaps frighten off predators like crabs and shrimps.

We then turn our attention to sea snail (gastropods, Gastropoda). The grey bonnet (Phalium glaucum) is a typical sea snail. It has a protective, coiled shell that it can withdraw its entire body into. It glides over the substrate on its large, muscular foot, and at the rear we see the operculum, a hard lid that is used to close the opening of the shell after the snail withdraws into it. Two simple eyes peer out from under the front of the shell, and important sensory feedback also comes from the two tentacles. To one side is the inhalent siphon, a tube that the sea snail uses to draw in water for respiration.

The anatomy of another gastropod, the vomer conch (Euprotomus vomer), is different. Its mouth is much more obvious, at the end of a long protrusion called a proboscis. It is strictly a herbivore, and it uses the proboscis for locating and eating algae growing in the sand. It's eyes are much more prominent too, at the end of long stalks, and jutting out from these stalks are two highly sensitive tentacles. Rather than gliding, it uses its operculum to drag itself along the bottom in a lurching motion.

Conchs are a popular food, and their shells have symbolic and religious significance in some cultures. They have been used for everything from musical instruments, to weapons, to ink holders.

We then encounter a whitespotted hermit crab inhabiting an empty cone shell. The main sensory device of cones like the ivory cone (Conus eburneus) is the siphon itself which contains highly sensitive chemoreceptors. If it detects suitable prey the cone will unleash a harpoon from its proboscis containing a highly venomous neurotoxin, powerful enough to kill humans.

There are English captions showing either the full narration or the common and scientific names of the marine life, along with the dive site names.

"Mucky Secrets" is being serialised weekly on YouTube. Please subscribe to my channel to receive notifications of new episodes as I release them. The series will feature a huge diversity of weird and wonderful marine animals including frogfish, nudibranchs, scorpionfish, crabs, shrimps, moray eels, seahorses, octopus, cuttlefish etc..

Thanks to Kevin McLeod of http://www.incompetech.com for the music track, "Scheming Weasel (slower version)", which is licensed under a Creative Commons Attribution 3.0 Unported license.

Thanks to the staff and keen-eyed divemasters of Two Fish Divers (http://www.twofishdivers.com), for accommodation, diving services and critter-spotting.

The video was shot by Nick Hope with a Sony HVR-Z1P HDV camera in a Light & Motion Bluefin HD housing with Light & Motion Elite lights and a flat port. A Century +3.5 diopter was used for the most of the macro footage.

I have more scuba diving videos and underwater footage on my website at:
http://www.bubblevision.com

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Τετάρτη 30 Ιουλίου 2014

Analysis: Islamic State advertises war crimes in video

Analysis: Islamic State advertises war crimes in video



The Islamic State, an al Qaeda offshoot that controls significant territory in both Iraq and Syria, has posted an extremely brutal video. While most Muslims were celebrating the end of Islam's holy month, the Islamic State is celebrating mass executions.
Warning: Some of the images below are graphic.
The Long War Journal is posting these images because they highlight the depravity of the Islamic State and its followers. The Islamic State likely believes that these images will help intimate its opposition into submission and earn new recruits, especially among young jihadists and sympathizers who are mesmerized by the orgy of killings. This will work with a certain segment of the jihadists' recruiting pool.
But over-the-top violence of this sort can also have the opposite effect, as it turns some potential recruits and supporters into foes. In this regard, the Islamic State is repeating the same mistakes made by its predecessors, al Qaeda in Iraq (AQI) and the Islamic State of Iraq (ISI), in the past. The indiscriminate violence carried out by these organizations alienated many Iraqis and sowed the seeds of their initial demise.
The military prowess of the Islamic State is formidable and the organization will not be easily defeated any time soon. The Islamic State has managed to achieve remarkable successes on the battlefields in both Iraq and Syria. Yet its brand of jihad creates an opportunity for its opponents to marshal forces against it. This was the linchpin of the strategy previously employed by American forces in Iraq during the height of the "surge."
Therefore, while these images will further the Islamic State's cause in some circles, they can also help to discredit it in others.
Whether the Iraqi government, which is in disarray, or its allies can take advantage of this strategic liability in the Islamic State's operations remains to be seen, however. Keep in mind that the United States military and government were crucial to organizing the Awakening, the tribal resistance to al Qaeda in Iraq, as well as bolstering the Iraqi military during the surge, which began in 2007. Additionally, more than 130,000 US troops, supported by American airpower, intelligence, and logistics, partnered with the Awakening and Iraqi security forces to conduct nearly two years of concurrent military operations throughout Iraq in order to beat back al Qaeda and its allies by the end of 2008.
Graphic images from Islamic State's video celebrating end of Ramadan

The images below appear to cover incidents that have occurred since early June. Some of these events were previously promoted by the group.
A few of the Islamic State's victims await their death after others perished in a mass killing:
Screen Shot 2014-07-29 at 9.43.11 AM.png

The Islamic State's victims are marched to their death:
Screen Shot 2014-07-29 at 9.41.19 AM.png

The Islamic State's executioners spray their captives with bullets:
Screen Shot 2014-07-29 at 9.41.59 AM.png

A gunman makes sure the prisoners are dead by shooting them once again:
Screen Shot 2014-07-29 at 9.44.45 AM.png

The Islamic State's victims are carted to their death:
Screen Shot 2014-07-29 at 9.49.42 AM.png

A line of victims is funneled to a killing spot on what appears to be a river:
Screen Shot 2014-07-29 at 10.11.32 AM.png

One by one the victims are shot in the head at the killing spot, which is stained with blood, and their corpses are then dumped into the water:
Screen Shot 2014-07-29 at 9.44.12 AM.png


Read more: http://www.longwarjournal.org/archives/2014/07/islamic_state_advert.php?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+LongWarJournalSiteWide+%28The+Long+War+Journal+%28Site-Wide%29%29#ixzz38xxOMVFH