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Tuesday, September 26, 2006
Honda co-develops process to make biomass ethanol
Glowing firefly fish to indicate pollution
Tuesday, September 19, 2006
Turmeric turning out to be a Brain Booster!
Curcumin, a constituent of turmeric, is an antioxidant, and reports indicate that it inhibits the build-up of amyloid plaques in people with Alzheimer's. Ng's team looked at the curry-eating habits of 1010 Asian people unaffected by Alzheimer's and aged between 60 and 93, and compared their performance in a standard test of cognitive function, the Mini Mental State Examination. Those people who consumed curry "occasionally" (once or more in 6 months but less than once a month) and "often" (more than once a month) had better MMSE results than those who only ate curry "never or rarely"
(American Journal of Epidemiology, DOI: 10.1093/aje/kwj267).
Popular curry spice is a brain booster
(From New Scientist Print Edition, 04 August 2006)
http://www.newscientist.com/article/mg19125635.500
Wednesday, September 06, 2006
'Crocodile Hunter' Steve Irwin Killed....
Emergency services were called from Cairns Rescue Base and met Croc One, Steves rescue vessel at Low Isle on the Great Barrier Reef. The Croc One crew performed constant CPR during the thirty minute dash to Low Isle, but the medical staff pronounced Steve dead at approx. 12 noon.
His producer and closest friend, John Stainton said on Croc One today,
The world has lost a great wildlife icon, a passionate conservationist and one of the proudest Dads on the planet. He died doing what he loves best and left this world in a happy and peaceful state of mind. Crocs Rule!
More Steve Irwin photos at: http://news.yahoo.com/photos/ss/events/lf/090406steveirwin
Read more about this news at:
http://www.news.com.au/couriermail/story/0,23739,20349534-952,00.html
http://science.slashdot.org/article.pl?sid=06/09/04/0451257&from=rss
.
Tuesday, May 16, 2006
WWF's International Smart Gear Competition - 2006 winners have been announced....
Grand-prize winner Michael M. Herrmann from SharkDefense -- a research company in New Jersey -- beat out more than 80 other contenders for the Smart Gear prize with an original idea that uses a shark's ability to detect magnetic fields as a way to protect them. Herrmann found that placing strong magnets just above baited hooks on a longline repels certain shark species, averting potential harm to the shark or the fishing gear. He was awarded $25,000 to further test and develop his idea.
Every year, thousands of sharks die after being caught on hooks set by commercial fisheries that are targeting tuna and swordfish. Earlier this month, the World Conservation Union announced that 20 percent of shark species are nearing extinction. Bycatch is a major contributor to their decline. Invention could prevent thousands of accidental deaths of sharks in fishing lines.
Runner-Up Prize Winners ($5,000 each)
===================================
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Chris Carey,
New Zealand.
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Winning Idea: THE FLYING BOTTLEBRUSH (Also known as CAREFREE'S CUNNING CONTRAPTION)
Mr. Carey designed a device that attaches to the trawl warps (the cables that pull the nets through the water) in order to reduce the number of seabirds being killed or injured during trawl fishing. Skipper Carey's goal was to make the warp lines and the area around them highly visible so that sea birds will be able to see them even in the midst of a feathery feeding frenzy. Using materials available on board any large fishing vessel, Mr. Carey's design consists of a rope that is clipped on to the warp line with purse seine clips and has stiff streamers made out of strapping tape that bristle out and make the rope look like a bottlebrush. The bristles form a visible and safe 'no fly zone' around the warp line so sea birds will be able to see it coming and can move before getting struck and injured or killed. The design is easily deployed and has the potential to be adapted to fit trawlers around the world.
The judges voted to award Mr. Carey's invention a prize because it is simple and immediately available, there is little to no cost for extra equipment, there is no concern for loss of catch and the design is readily adoptable by fishermen whose fishery could be closed due to high levels of seabird bycatch.
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Kristian Zachariassen,
Faroe Islands
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Winning Idea: THE FLEXI-GRID (Also known as THE FISH FILTER)
Mr. Zachariassen developed a flexible sorting grid built out of tubes and ropes. Inside a trawl net, the grid sorts the targeted fish from the unwanted fish and allows unwanted fish to safely exit the net. Bycatch larger than the targeted species can swim out of an opening in front of the grid rather than being herded into the cod end and kept. Many trawlers already insert filter grids into their trawl nets to stop non-target fish getting into the end of the net. However, these are not always effective at reducing bycatch and they also lower fishing efficiency because the water flow through the grid is reduced. The grids are also often extremely heavy and cumbersome. Mr. Zachariasssen made a flexible grid which consists of small plastic tubes set on ropes. Because of the grid's flexibility, water flows through the net differently, and fewer fish become entangled in the net in front of the grid. Trials show the grid is effective at cutting bycatch of cod and saith by 95%, while the catch of the target fish (blue-whiting) is only reduced by 1%.
Mr. Zachariassen's design is a technique, known from fish farming, developed by Johnson Seafarms Ltd in Shetland, who originally created the Flexi-panel to size-sort salmon and trout in fish-gages. Mr. Zachariassen and his colleagues at the Faroese Fisheries Laboratory and the trawl factory Vonin Ltd., together with the pelagic trawlers Naeraberg and Christian i Gropinum, re-developed this panel to the flexible panel, also called the Flexi-grid.
For more information on the International Smart Gear competition visit:
http://www.worldwildlife.org/news/displayPR.cfm?prID=281
OR
http://www.smartgear.org
.
Monday, April 10, 2006
First fossil of fish that crawled onto land discovered
Palaeontologists didn't previously have a decent fossil representing the intermediate between finned fish and four-footed land animals, or tetrapods (Tetrapods evolved from lobe-finned fishes between 380 and 365 million years ago). The new animal has been named Tiktaalik.
More....
Thursday, January 26, 2006
Smallest extra solar planet revealed by microlensing
It orbits a common red dwarf star, 22,000 light years from the Sun and was found using a technique called gravitational microlensing.
The planet is too far from its host star - and therefore too cold - to harbour life as we know it, but the new find offers hope that there are smaller, warmer worlds out there waiting to be found.
Read the full story:
http://www.newscientistspace.com/article/dn8633
Wednesday, January 25, 2006
Researchers Discover World's Smallest Fish In Sumatra
Scientists have discovered the smallest known fish on record in the peat swamps of the Indonesian
The team said that the "tiny and bizarre" fish is also the smallest known freshwater vertebrate. Individuals of the Paedocypris genus can be just 7.9mm long at maturity, as reported by the scientists in a journal published by the
To remain small the fish have abandoned many of the adulthood characteristics – which is hinted in their name Paedocypris progenetica. For instance, their brain lacks bony protection and the females have room to carry just a few eggs. The males have a little clasp underneath that might help them fertilize eggs individually.
Being so small, the fish can live through even extreme drought, by seeking refuge in the last puddles of the swamp; but they are now threatened by humans - because widespread forest destruction, drainage of the peat swamps for palm oil plantations and persistent fires are destroying their habitat. Paedocypris may have been discovered just in time - but many of their miniature relatives may already have become extinct.
Related stories:
Scientists find 'smallest fish'
By Roland Pease (BBC science correspondent)
http://news.bbc.co.uk/2/hi/science/nature/4645708.stm
Scientists find world's tiniest vertebrate: it's a real tiddler
By Mark Henderson
http://www.timesonline.co.uk/article/0,,25689-2008448,00.html
Scientists Discover World's Smallest Fish In Sumatra
by Axxel,
http://www.playfuls.com/news_0903_Scientists_Discover_Worlds_
Pictures of the tiny fish:
Friday, January 20, 2006
Google's way to tackle Click Fraud and Suspicious Click Patterns &
John Carreras was once a contented Google advertiser. He used text adverts that appeared alongside searches to bring people to his trade exhibition website. He happily paid Google a few cents for every referral, believing that anyone who clicked through to his site from Google was a likely customer. But then he attended a conference in Las Vegas, and he noticed something strange: the number of Google referrals he was getting dropped dramatically, only to rise again once the conference was over.
Mr. Carreras became convinced the "missing clicks" were not from customers, but from his competitors, who had all been in Vegas along with him. He believed his unscrupulous rivals whiled away their office hours clicking on his Google ads, knowing that every tap cost him money.
If you add in a second kind of scam, where people earn themselves a little money from Google by clicking on ads they are hosting on their own sites, you can see the potential for malice. Click fraud, as it is called, is acknowledged by Google as a problem: last year, Google chief financial officer George Reyes described it as "the biggest threat to the internet economy."
While Google Labs, as the company calls its development division, turns out new products at a cracking pace, Google remains largely dependent on just one source of income: advertising. Google would never admit to being uneasy about that reliance. Why should it? Advertising is doubling the company's revenue every year, and is expected to generate almost $10 billion this year. But for all the undoubted strengths of its pay-per-click system, some worrying vulnerabilities have emerged. At the same time as it tries to combat click fraud, Google is preparing to add a second string to its money-making bow, by charging users for video downloads. It may not sound earth-shattering, but if it works, it could represent the start of chapter two in the Google story.
The problem of click fraud remains. Marissa Mayer, the company's vice-president of search products, calls it "a serious problem for us, but also a very solvable problem." In principle, the company will not charge its advertisers for clicks that are not from genuine potential customers. Typically, Google is hoping to use technology to detect suspicious click patterns.
For the Mountain View company, click fraud has the potential to become the kind of technological arms race that has been a drag on Microsoft in its battle against ever-changing security threats. Nobody knows the exact extent of it. Right now, advertisers are getting such a good return on their investment that it doesn't matter to them whether click fraud is 5 per cent or 30 per cent. But as Google advertising becomes more competitive and the level of fraud grows. There is no question that Google's ad system is still a runaway success, as Nick Mudge points out, a business idea does not have to be perfect or fool proof to work on the Internet. A business idea doesn't have to make total sense. It just has to be workable enough... Workable enough for people to take it up.
With click fraud on the radar, it is a good time for Google to explore new revenue streams. Previously, Google Video (http://video. google.com), unveiled in January last year, only offered a chance to upload and view uncopyrighted videos free - creating a jungle of thousands of weird, searchable amateur videos (try "party," "family" or "vacation" to get the flavour).
But Google is now signing up professional broadcasters, and soon users will be asked to pay for downloads. But how will users take to paying a company that has so far offered them so much for nothing? "It will be a new experience for them," admits Jennifer Feikin, director of Google Video.
Google's new interest in selling is a worrying trend for the likes of Amazon, but Mr. Battelle believes online retail is only the start of Google's commercial ambitions: "They are changing the economic presumptions of a number of industries. You can start to tick the boxes of all the information-driven, intellectual property-driven businesses in the world. And it's a very, very big bundle of businesses - the biggest bundle one can imagine."
Read more about these stories:
[ January 20, 2006, The Sydney Morning Herald ]
Fraud nags at Google's grand strategy
[ Charles Miller, Thursday January 19, 2006, The Guardian ]
Wednesday, January 18, 2006
The Disgraced cloning pioneer Woo Suk Hwang and colleagues could keep his patents
Furthermore, the filing of the application could present a substantial obstacle to anyone seeking future patents in the same field.
The application was filed on 30 December 2003 by Hwang, along with 19 other researchers at Seoul National University. SNU has publicly apologised for Hwang’s misconduct, but it has not said whether it will voluntarily abandon all patents.
Read the full story here:
http://www.newscientist.com/article.ns?id=dn8601