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Jennifer Marohasy

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Archives for April 2008

Oh, what a golden web she weaves (part III)

April 28, 2008 By neil

Goldface.jpg

Funny, the things that you see in nature, like this humanoid face on the cephalothorax of a golden orb-weaver, Nephila pilipes.

I have previously described aspects of this spectacular species of spider, here and here. With this instalment, the adult female in the image below descended from her web on the 19th April to build her egg-sac on the ceramic-tiled floor of our living room.

Nephila3.jpg

At the outset, her abdomen was rotund, perhaps twice the diameter of the largest aspect within the image captured at the conclusion of the construction.

On a foundation bed of the same orange silk that can be seen, a white disk was established and then encased in more of the orange material. Five weeks later, the orange casing had lifted. The white disc had been abandoned, but its character was surprisingly hard; rather like coral in its chalky-porousness. I can only imagine that it was produced in much the same way as a mantid’s ootheca – soft upon release but hardened under external exposure.

It had been my understanding that egg-laying was the final phase in the three-month life-cycle of this species, but this individual struggled back to the ceiling and over a succession of days manged to rebuild a small web. Aided by the sympathies of my children, a number of march flies allowed for a fuller recovery and the re-establishment of a master-web. She lived another month and then presumably underwent a second and final reproductive cycle.

Filed Under: Uncategorized Tagged With: Plants and Animals

Fred Singer Does Not Believe in Martians: Lawrence Solomon

April 28, 2008 By jennifer

Fred Singer, one of the world’s renowned scientists, believes in Martians. I discovered this several weeks ago while reading his biography on Wikipedia, the online encyclopedia. “Do you really believe in Martians?” I asked him last week, at a chance meeting at a Washington event. The answer was “No.”

Wikipedia’s error was neither isolated nor inadvertent. The page that Wikipedia devotes to what is ostensibly Fred Singer’s biography is designed to trivialize his long and outstanding scientific career by painting him as a political partisan and someone who “is best known as president and founder (in 1990) of the Science & Environmental Policy Project, which disputes the prevailing scientific views of climate change, ozone depletion, and second-hand smoke and is science advisor to the conservative journal NewsMax.”

Innocent Wikipedia readers would be surprised to learn that Dr. Singer is no conservative kook but the first director of the U.S. National Weather Satellite Center; the recipient of a White House commendation for his early design of space satellites; the recipient of a commendation from the National Aeronautics and Space Administration for research on particle clouds; and the recipient of a U.S. Department of Commerce Gold Medal Award for the development and management of weather satellites.

He is, in short, a scientist of the highest calibre, with a long list of major scientific achievements, including the first measurements, with V-2 and Aerobee rockets, of primary cosmic radiation in space, the design of the first instruments for measuring ozone, and the authorship of the first publications predicting the existence of trapped radiation in the earth’s magnetic field to explain the magnetic-storm ring current.

Read more here: http://network.nationalpost.com/np/blogs/fpcomment/archive/2008/04/25/the-real-climate-martians-solomon.aspx

—————
The Real Climate Martians, by Lawrence Solomon, Financial Post, April 26, 2008

Filed Under: Uncategorized Tagged With: People

100 per cent ‘Green’ Tax Increase, Less Than 1 per cent Decrease in CO2 Emissions

April 28, 2008 By Paul

In case anyone didn’t notice, the UK Treasury is the epicentre of climate related reports and also benefits from the resultant so called ‘green taxes.’ Nicholas Stern was a member of the Treasury at the time of the Stern Review on the economics of climate change, which was based on extreme computer modelled scenarios. The Stern Review spawned the equally absurd Garnaut Review.

The most recent review instigated by the UK Treasury was the King Review of Low Carbon Cars, which looked at the potential for alternative fuel cars, such as ethanol, hydrogen, or battery powered electric vehicles My suggestion for considering methanol as an alternative, as proposed by Nobel Prize for Chemistry winner George Olah, was ignored. Recently, I was fortunate enough to attend Professor Julia King’s inaugural lecture as Vice Chancellor of Aston University, which was based on the King Review. I talked to her afterwards and it became clear that isn’t a fan of personal motorised transport and is ‘government friendly.’ Hardly a recipe for objectivity, yet government reports and reviews are always described as ‘independent.’

March saw the Chancellor of the Exchequer’s ‘Budget.’ This included changes to the current road tax system for cars, which is based on CO2 emissions. As a result, the vast majority of drivers will pay more, drivers of family-sized vehicles being the hardest hit. Last week, as reported in The Telegraph, shadow Treasury minister Justine Greening obtained Treasury projections which disclose that while the amount raised from car tax will more than double – from £1.9 billion to £4.4 billion by 2010 – carbon dioxide emissions from motoring are expected to drop by less than one per cent.

I’ll leave the last words to Greening, who said, “This is a massive tax hike which will have virtually no impact on the environment. Despite their claims, the Government don’t expect this move to change behaviour at all – it is just another eco-stealth tax of the worst kind.”

Filed Under: Uncategorized Tagged With: Economics

Who the Hell is Robyn Williams? Request for Information from Graham Young

April 27, 2008 By jennifer

This morning’s Ockham’s Razor broadcast was by Don Aitkin on global warming. Presenter Robyn Williams introduced him in these terms:

“It is one of the disappointments of my life as a broadcaster that I’ve never managed to interview Nigella Lawson. How would she fit into a science program you may wonder, but that’s mere detail.

I have, on the other hand, had her father Nigel Lawson on the Science Show, talking about innovation or some such, with his usual flair and penetrating intelligence. Not a science-trained man, but economics is near enough, isn’t it, and he was Thatcher’s Chancellor of the Exchequer (or Treasurer).

Now Lord Lawson has brought out a book on climate called An Appeal to Reason. Here’s the first paragraph of a review in this week’s Spectator magazine:

‘When there is so much data suggesting the world’s climate is heating up’, goes the review, ‘some may find it presumptuous of Nigel Lawson, who is not a scientist and has undertaken no original research, to hope to challenge the prevailing orthodoxy. Would we take seriously an appraisal of his time as Chancellor of the Exchequer written by someone whose only expertise was in oceanography?’

Well the same could apply to Professor Don Aitkin, former Vice-Chancellor of the University of Canberra, a political scientist and like Lawson, a journalist. Professor Aitkin gave a lecture on climate to the Planning Institute of Australia, A Cool Look at Global Warming. That was a couple of weeks ago, and I thought you might like to hear some of his thoughts, recast for Ockham’s Razor. Though 9 out of 10 Australians are said to be alarmed at climate change, 10% think differently, and Professor Aitkin is one of them.”

There are a number of issues of impartiality that arise from this introduction, but in this post I am interested in the main slight which is that because Aitkin is a “journalist” (I actually think he would be more correctly described as a social scientist) he cannot be taken seriously on the issue of climate change.

So, I’m interested in what qualifications Robyn Williams has. Afterall, while argument from authority has no role to play in establishing the truth of a proposition, turned back on its proponent it can often be the best demonstration of just how hollow their argument is.

Here is what I think I know about Williams. Happy to be corrected, or to have the list extended.

He has an honours degree in biology. He does not have qualifications in physics, climatology or earth-sciences
He has some honorary PhDs, but he does not have an actual PhD
He is a visiting professor at UNSW, but is not actually on staff
He is an adjunct professor at UQ, but is not actually on staff
He has in the past, and perhaps to the present, been a supporter of communist politics.

If I am correct in all of this it leads to the conclusion that his only standing on this issue is as a journalist, with a particular political bent, who is no better qualified than Don Aitkin. Which in his own terms must make it quite improper to make the introduction that he did. Afterall, with those qualifications, what would he know?

Graham Young
Ambit Gambit

This is a cross post from http://ambit-gambit.nationalforum.com.au/archives/002974.html

Filed Under: Uncategorized Tagged With: People

Robyn Williams Might Apologize to Don Aitkin and Nigel Lawson

April 27, 2008 By jennifer

A fellow called Robyn Williams has a monopoly on the reporting of science on Australia’s publicly funded national radio, the ABC. He runs several programs including Ockam’s Razor broadcast on Sunday morning.

He is usually quick to promote the latest scare and perhaps not surprisingly has become a great supporter of alarmist global warming claims. It is not difficult to find credible scientists to interview who support the consensus on global warming. Unfortunately, however, anybody holding a skeptical view risks ridicule when they speak out, including from Robyn Williams.

Here is a disgraceful introduction from Robyn Williams to the former Vice-Chancellor of the University of Canberra, Professor Don Aitkin. No doubt if Professor Aitkin were not a skeptic he would have been given a suitably adoring, or at least a gracious, introduction.

Also, in the following introduction Mr Williams suggested Nigel Lawson is a trained economist, he is not. He is a journalist by training. But was a very able Chancellor of the Exchequer in Margaret Thatcher’s government.

Here goes:

Robyn Williams: It is one of the disappointments of my life as a broadcaster that I’ve never managed to interview Nigella Lawson. How would she fit into a science program you may wonder, but that’s mere detail.

I have, on the other hand, had her father Nigel Lawson on the Science Show, talking about innovation or some such, with his usual flair and penetrating intelligence. Not a science-trained man, but economics is near enough, isn’t it, and he was Thatcher’s Chancellor of the Exchequer (or Treasurer).

Now Lord Lawson has brought out a book on climate called An Appeal to Reason. Here’s the first paragraph of a review in this week’s Spectator magazine:

‘When there is so much data suggesting the world’s climate is heating up’, goes the review, ‘some may find it presumptuous of Nigel Lawson, who is not a scientist and has undertaken no original research, to hope to challenge the prevailing orthodoxy. Would we take seriously an appraisal of his time as Chancellor of the Exchequer written by someone whose only expertise was in oceanography?’

Well the same could apply to Professor Don Aitkin, former Vice-Chancellor of the University of Canberra, a political scientist and like Lawson, a journalist. Professor Aitkin gave a lecture on climate to the Planning Institute of Australia, A Cool Look at Global Warming. That was a couple of weeks ago, and I thought you might like to hear some of his thoughts, recast for Ockham’s Razor. Though 9 out of 10 Australians are said to be alarmed at climate change, 10% think differently, and Professor Aitkin is one of them.”

Now read/listen to ‘A challenge to global warming orthodoxies – part one’ by Don Aitkins here:
http://www.abc.net.au/rn/ockhamsrazor/stories/2008/2226464.htm

Filed Under: Uncategorized Tagged With: People

Whale Birds – A Note from Ann Novek

April 27, 2008 By Paul

Whale birds are a group of birds called this because,

1) They used to follow whaling ships and feed on the blubber and floating oil. (Any of several species of large Antarctic petrels).

2) Prions are a small group of Petrels which once were known as whale birds, because they feed on the same plankton baleen whale feed and were thus likely to be good indicators where the whales may be.

3) The Sooty tern (see photo) is as well called a whale bird.

sooty_tern_jt7j0830-01_simon_stirrup.jpg
Photo courtesy BirdLife International/Simon Stirrup

“ We frequently observe humpback whales and birds feeding on the same patches , so it’s not surprising that occasionally birds might be engulfed by feeding humpback whales “.

“We observed three partially digested birds coated with whale feces floating in the water near adult whales”.

RESULTS OF HUMPBACK WHALE POPULATION MONITORING IN GLACIER BAY AND ADJACENT WATERS: 2005

Cheers,
Ann
Sweden

Filed Under: Birds, Nature Photographs Tagged With: Birds, Whales

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Jennifer Marohasy Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation. Read more

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