Showing posts with label fire. Show all posts
Showing posts with label fire. Show all posts

Aboriginal Cultural Burning Stops Australian Bush Fires

Global warming is a problem that no government wants to deal with. It is a scientific fact that the planet is getting hotter. With people doing nothing to combat the issue we need to look to the past to prevent damage to houses and farms from bush fires.


Aboriginals practiced a system of animal farming called cultural burning. They set fires where scrub was low. Small animals could see the fires coming so could safely flee. The patchy habitat made hunting of the animals easy for hunters.

When lightning set large trees alight they could not breach the flatter areas. Aboriginals believed that continual burning sustained life for all. Early Australian governments continued with assimilation programs moving aboriginals to towns. Thus, the cool burns stopped.

Out of control wild fires destroy ecosystems. All burnable material is destroyed as the fires burn across hundreds of square kilometers. Occupation of the land by white people particularly with their monoculture has seen once quite fertile land turned to dust.

Aboriginals have always known the truth but paternal treatment of them silenced whole communities. They knew that without controlled burning kangaroos, dingoes and lizards would diminish in number in their old lands. Hunter gatherers have managed the environment in the past. We need to listen to them.




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 Keywords: fire, cultural, burning, people, aboriginal, martu, land, fires, food, australian,

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Archaeologists Say Fire Caused Tuberculosis

Fire caused tuberculosis according to new archaeological theory.
Evolution is very powerful. A change in climate leads to the survival of those who suit the new climate more adequately. A series of ice ages meant hairy people with narrow nasal passages (to warm the damaging cold air on it way into the lungs) passed on their genes. People living in central Africa remained in a warm climate, so they did not have to adapt.
Ancient man uses fire
A new premise is that the adoption of fire by early humans caused the emergence of tuberculosis. Apparently, many people crouching around a fire set the ideal conditions for TB to take hold. Just a minute though. Didn't Africans also cook meat on fires and kept near to it for warmth on cold nights? They certainly did. No, this new theory does not hold up.

It is assumed that TB is mainly a thing of cold climates.  More correctly, molecular archaeological evidence shows that TB began in Africa. Just how scientists reached the conclusion that humans passed it on to animals is beyond me, though. This is pie in the sky stuff, mere speculation.

Man has been using fire for at least 200,000 years. This is obvious. Scientists say TB appeared anywhere from 70,000 to 6,000 years ago. Such debate about the correct time of its occurrence means a lot of work has to be done before TB can be linked to fire.
 
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WARM DISEASE
tuberculosis, tb, fire, warmth, evolution, archaeological, scientists, cold, climate, africa, humans, man, hairy articles news politics economics society anthropology historiography history sociology people nations country asia europe africa u.s. south america central Mediterranean eastern western interesting unique technology free news sex

Lithium Batteries Banned by Airlines - Incendiaries

Soon you will not be able to take your mobile phone onto a plane let alone use it. Airlines are becoming paranoid after an investigation into a crashed flight in Dubai points to lithium batteries as a cause.
Mobile phones on aircraft planes lithium batteries
As lithium storage becomes thinner the propensity for explosion increases. After exploding a battery sprays flaming liquid in all directs. In many instances a fireball is created.  The item is really a mobile incendiary device.  Heat it up and ignition occurs,

It looks like all battery shipments will literally go by ship in future. Even Apple is getting worried about supplies as more airlines ban lithium batteries as cargo. Defibrillator batteries are already short in Australia and New Zealand.

Rogue airlines, however, are ignoring the trend and jumping onto high payments as businesses pay more to get batteries quickly. This may not last as international airline organizations examine the situation. Banning phones is one step closer as people carry spare lithium batteries in their pockets. Dropping a battery, as many people do, can put a dent in it. This raises the probability of explosion. Note, if a lithium battery explodes so do all the others in the vicinity.
Chemistry by Ty Buchanan
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Large Asteroid Craters Found in Australia

Australia has always been seen as remote. Yet new new things are being discovered about its history. It has been identified as the "target" of one of the world's largest asteroid impacts. Two craters found by Andrew Glikson and his team are thought to have been caused by a large meteor which broke into two pieces.
Dinosaurs killed extinct by asteroid
Each crater is 200 kilometers in diameter. One of these craters on its own is larger than the impact in Mexico: the Central American collision wiped out the dinosaurs. It isn't the biggest, however. The Sudbury comet did a great deal of damage, but the world's widest crater is the Vredefort in South Africa.

The twin craters in Australia have been flattened out over eons of time. They were found by geothermal research. It appears that asteroid impact covers the Northern Territory, Queensland and South Australia, a very large area. Seismic traverses is going to be applied next. This will hopefully bring new things to light.

If the asteroid damage in Mexico caused mass extinction, the severe disruption in Australia would have destroyed life as well. Its age has not yet been determined. The question is: Did the dinosaurs survive the catastrophe or were they long gone by then?
Technology by Ty Buchanan
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Aboriginal Subsistence Fires Benefit the Ecosystem

Bush fires are natural in Australia. Far from being a curse, they benefit the environment and wildlife generally. Of course this has to be qualified by houses being destroyed and injuries to people. Aboriginals have been intentionally lighting fires for thousands of years.

Actually, it has a positive impact on kangaroo evolution. A fire promotes an increase in kangaroo numbers. To get the greatest benefit the best time for a burn-off  can be identified. Human subsistence is crucial in managing this. It compliments the ecosystem.

Modern farming is detrimental to the way wildlife functions. The system is thrown off-balance. Stopping the burn-off and mono cropping changes everything. Australia needs more burning, not less. Authorities are following the wrong policy. Leaving native trees to grow tall can only lead to eventual disaster as a massive fire results as time passes.

Managed fires provide more food for animals as new shoots appear. Animals can also hide from predators in patches of older growth in the flatter landscape. It is only in farming areas that kangaroos increase to pest proportions. There is a natural peak in regions still controlled in the traditional way by Aboriginals.
Anthropology by Ty Buchanan
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Dogs on Fire

"Where's the fire, Mrs?"
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Funny Animal Photos
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Stopping the Spread of the Complex Red Fire Ant

Australia is fighting against the spread of red fire ants. This pest has invaded other countries such as the US. Nothing seems to work to stop their malicious takeover. They give a nasty bite. It was thought to be a simple kind of ant but studies have shown it to be a complex creature.

It has two distinct variants in its social structure. Normally colonies keep their distance. On the other hand, many colonies do form a supercolony where queens work together and breed in safety. Ants of the supercolony do kill queens of isolated colonies.

The ants are different genetically. Queens of individual colonies are fatter. This is to feed the first larvae when they start the colony. Queens who work together never need the "boost" fat. The change of a single gene dramatically changes physicality and behavior. It is contentious as to whether there will be an evolutionary winner. We just do not know at this stage.

It is hoped that chemicals producing violent behavior can be identified and used against the pest. Could this be interfering in the evolution of a species? Of course it is. We have been selecting for preferential genes in many animals and plants for thousands of years.
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Entomology
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