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Showing posts with label Current Science Articles. Show all posts
Showing posts with label Current Science Articles. Show all posts

Thursday, August 12, 2010

Sciencetext Tech Talk

Sciencetext Tech Talk


Who on Earth uses Flickr?

Posted: 12 Aug 2010 05:00 AM PDT

Flickr.com, in case you didn’t know, is an online photo repository, it’s now part of Yahoo, but nevertheless remains an incredibly popular site for sharing photos and creating galleries. It also acts as a neat resource for finding Creative Commons images for use on blogs and other sites.

Flickr describes itself thus:

You take photos. Flickr is the perfect way to share them.

The Wikipedia entry thus:

Flickr is an image hosting and video hosting website, web services suite, and online community created by Ludicorp and later acquired by Yahoo!. In addition to being a popular website for users to share and embed personal photographs, the service is widely used by bloggers to host images that they embed in blogs and social media…it claims to host more than 4 billion images.

But, given the advent of Facebook and other social media sites that also allow image sharing, one has to wonder who is using Flickr?

 

In a scientific research paper entitled: “A cross-cultural analysis of Flickr users from Peru, Israel, Iran, Taiwan and the UK”, Amir Dotan and Panayiotis Zaphiris of the Centre for HCI Design, at City University London, UK, have taken a whirlwind world tour to try and discover what kinds of people use Flickr and how. Whether or not their analysis applies to equivalent sites such as Google’s Picasa Web Albums or Microsoft’s Windows Live Photo Gallery is a different matter.

The aim of the research was to investigate how the design of increasing popular socially driven websites, like Flickr, addresses new challenges with regard to cross-cultural differences and localisation. The team also hoped to bring cross-cultural usability studies up-to-date with the latest trends on the internet. People say that they use Flickr for a variety of reasons among them: simply storing content online, receiving feedback and photography related advice, keeping in touch with friends and family and for general social interaction.

As popular sites like Flickr, YouTube, and Facebook attract hundreds of millions of people from all over the world, it becomes ever more important to explore how culture impacts tagging, public and private content sharing, motivation, social interactions, participation, interface customisation and other emerging human-computer interaction topics.

The team studied 10,000 photos uploaded by 250 Flickr users from five distinct cultures. They analyzed the metadata (tags and descriptions etc) created by the users to describe their photos quantitatively (average number of photos per user in each culture) and qualitatively (frequency of certain types of content). The results reveal some fascinating differences and some equally fascinating similarities between the way people from different cultures across the globe use Flickr.

The account type analysis revealed that among the five cultures, the UK had the highest number of users with a Pro (unlimited) account (84%), followed by Taiwan (76%). There were fewest Pro users in Iran, not surprisingly, given that there is a state-sanctioned ban on Flickr!

The public photos analysis showed users in Taiwan to be the biggest sharers with an average of 961, Peru averaged 513, Israel 485, and the UK 198. The latter number is surprisingly low given the high number of Brits with a Pro account and coincides with Iranian users who also average 198 photos (just below the free/pro threshold of 200).

When asked about the main reason for using Flickr people in the UK typically report that they want to display their photos, connect with other photographers and to learn how to be a better photographer. Users in Israel refer more commonly to the social aspects and highlight sharing content with friends as well as strangers. The quantitative and qualitative data from the study suggests that users from the UK, Iran and Israel are more selective and place emphasis on quality and meaning rather than simply uploading photos in bulk.

Interestingly, users from the UK and Iran also have the highest number of tags in common, while users from Peru, Taiwan and Israel share very few tags. But, this also seems to reflect a cultural difference in what tags to use. People in Peru tag their photos with “Peru” and “Lima” at least 50% of the time, and people in Taiwan use “Taiwan”, “Taipei”, and “flower” most commonly. Brits in contrast rarely tag with UK, national names, or cities preferring a range of descriptive tags instead, including tree, sunset, church, water, flowers, beach, and bridge, flower, as do Iranian users (nature, blue, sunset, but some Tehran, Iran, and Persia too).

When examining the common tags across the five cultures it is interesting to note that all tags except four are written in English. Only users from Peru use tags in Spanish, the researchers point out. “When annotating photos, users consider their global contacts and the wider Flickr community, and opt to use English, which is less likely to exclude people,” they explain. They add that, “Users from Peru and Taiwan had few tags in common, which could suggest that they are less interested in sharing the content they upload with a global, perhaps unfamiliar audience.”



 

The team concludes that, “Flickr users are unique individuals that are affected by the culture they were born into and all are also affected by a greater and 'Flickr culture' that every user, to a certain extent could be seen to be a member of. The study showed that there are clear user preferences regarding annotation patterns and choice of language.”

Websites such as Flickr are not just for their users, it seems, they offer researchers interested in social and cultural aspects of human behaviour an incredibly rich environment with a multitude of data to explore to reveal the many fascinating facets of content diversity on the web, privacy attitudes, and the usability of web 2.0 sites across cultures.

Research Blogging IconAmir Dotan, & Panayiotis Zaphiris (2010). A cross-cultural analysis of Flickr users from Peru, Israel, Iran, Taiwan and the UK Int. J. Web Based Communities, 6 (3), 284-302

Post from: David Bradley's Sciencetext Tech Talk

Who on Earth uses Flickr?

Wednesday, August 11, 2010

ABC Science Updates: What's on the ABC during National Science Week?

ABC Science Online Email Updates

12 August 2010

Welcome to the ABC Science Updates, find out what's happening in the world of science this week.

Top news stories of the week

Scientists record fast evolving fish

Scientists record fast evolving fish

A species of fish can adapt in just three generations to survive a sharp change in temperature, researchers say.

Slime moulds explain irrational humans

Slime moulds explain irrational humans

Humans aren't the only ones that make irrational choices; new research has found single-celled brain-less slime moulds do it too.


Butchered bones prove early meat eating


No need to wait after miscarriage: study


Good looks kills job chances: study

What's new

What's on during National Science Week?

What's on during National Science Week?

National Science Week 2010 | Celebrate National Science Week with the ABC between 14 and 22 August. Check out what's on ABC TV, radio and online, and sign up to the Big Sleep Survey!

Amazing sleep facts

Amazing sleep facts

Big Sleep Survey 2010 | Did you know that tiny luminous rays from a digital alarm clock can be enough to disrupt the sleep cycle even if you do not fully wake?

Do animals taste the same things as humans?

Do animals taste the same things as humans?

Ask an expert | Can cats taste 'sweet'? Or do animals other than humans have similar taste receptors to us?

Lunar lumps show Moon bone-dry

Lunar lumps show Moon bone-dry

StarStuff Podcast | Moon rocks give clue to Earth's water origins. Plus: third space walk fails to repair space station air-con; and UK releases top-secret UFO files.

Clean hands get germ-free

Clean hands get germ-free

Great Moments in Science | There are numerous benefits that pour forth from staying clean. Dr Karl puts his hands together for the simple act of digital drenching.

Charges, cuts and stitches

Charges, cuts and stitches

Dr Karl on triple j | Why do rechargeable batteries need to be run fully flat? Plus: why do shaving cuts bleed more than normally?; and what is runner's 'stitch'?

ABC Health & Wellbeing

Kids need a good night's sleep

Kids need a good night's sleep

Sleep problems in kids don't just drive parents batty, they also affect children's health and development. What can be done?

ABC Environment

Ten climate policy ideas Julia or Tony could steal

Ten climate policy ideas Julia or Tony could steal

Some might say the government and the opposition are lacking for ideas on climate change policy. ABC Environment has 10 good ones they could consider.

Catch up with ABC Radio and TV…

ABC audio media   Learning from Victoria's fire disaster

The Science Show | Scientists want more from the Royal Commission Report on the fires in Victoria, believing too much evidence has been restricted because of legal requirements connected with ongoing criminal cases.

ABC audio media   Investing in science

The Science Show | Suzanne Cory is the first elected female president of the Australian Academy of Science. She says science has sadly been omitted as an issue as we move towards the August 21 election.

ABC audio media   David Attenborough - eyebrows

The Science Show |  Why do we have eyebrows? Do they protect our eyes from water? Or help us communicate? Is the eyebrow lift something we learn to do, or is it instinctive? David Attenborough describes his own personal experiment.

ABC audio media   Challenging stereotypes: culture, psychology and the Asian self

All in the Mind |  As East and West meet across the boardroom tables of big business, there's growing interest in how culture shapes the psyche and self. This week, controversial research on self-esteem. Do East Asians need less of it to feel good about themselves?

ABC audio media   Calcium supplements - follow up

The Health Report |  Last week we reported on suggestions that calcium supplements may be associated with a risk of heart attacks and maybe strokes. Some Australian and overseas researchers believe that the study was flawed and reject the findings.

ABC audio media   Teenage sleep research

Life Matters | Australian adolescent sleeping patterns have been revealed for the first time in a large study by researchers at the University of South Australia. Their finding? Teenagers are not sleeping nearly enough.

ABC audio media   Fireworks and science in European history

Late Night Live |  The early collaboration between pyrotechnicians, artists and scientists led to the development of the sciences we know today including physics, astronomy, chemistry, physiology, and even meteorology.

ABC audio media   2010 Reith lecture series: scientific horizons

Big Idea | Part three: What we'll never know. Does science have the answers to help us save our planet?

ABC audio media   Science with Chris Smith - atmospheric blurring

RN Breakfast |  The distortion of light caused by heat rising from the Earth's surface gives stars their twinkle, but it also makes them tricky to observe with a telescope. Now scientists have figured how to take the twinkle out of stars.

Listen to more science on Radio National


ABC video media   Shock salt: Designing salt tolerant crops

Catalyst |  Researchers in Adelaide are using new breeding techniques to develop plant varieties that can better cope with drought and salinity.

ABC video media   The hole truth: Have we fixed hole in the ozone layer?

Catalyst |  In the 1980s, scientists published startling evidence of a hole in the ozone layer. In 1989, governments around the world agreed to cut CFC emissions under the Montreal Protocol. Is the ozone problem now fixed? And how could that global action inform our current climate change challenges?

ABC video media   Brain freeze: inside the minds of Parkinson's sufferers

Catalyst |  Sydney scientists have come up with an innovative way of seeing what happens in the brains of people with Parkinson's disease when they experience 'freeze of gait'.

ABC video media   Animal action: drunken worms

Catalyst |  Surprisingly the Caenorhabditis elegans worm deals with alcohol in a similar way to humans. Researchers at the University of Southhampton have been studying the effects of alcohol on its nervous system.

Watch more Catalyst stories


ABC audio media   Black tiger prawn made perfect

Innovations |  A decade of selective breeding and research by Australian scientists has produced what could be the world's most perfect prawn.

Listen online or subscribe to Radio Australia podcasts


Coming up…

Ockham's Razor

Ockham's Razor

Sunday 15 July, 8.45 am, Radio National

Carbon offsets and ecosystems | Stopping deforestation and ecosystem degradation and putting a price on terrestrial carbon should be one of the most pressing of global tasks, argues ecologist Penny van Oosterzee.

See full Radio National guide

Catalyst

Catalyst

Thursday 19 August, 8.00 pm, ABC 1

Citizen science special | Catalyst wants you to unleash your inner scientist! In a National Science Week special we look at ways ordinary people are getting involved in scientific pursuits through citizen science.

See full ABC TV guide


In the Sky this Week with Ian Musgrave

Thursday August 12 to Thursday August 19

The First Quarter Moon is Tuesday August 17. Four of the five classic planets are visible together in the early evening sky. Mercury is prominent below these planets and is close to the crescent Moon on the 12th. The Perseid meteor shower occurs on the morning of the 13th. The crescent Moon joins the triad of Venus, Mars and Saturn on the 13th. Comet Encke may be visible in binoculars near Mercury by the 17th.

More…

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Thursday, August 5, 2010

ABC Science Updates: Lie down and be counted and you could win!

ABC Science Online Email Updates

05 August 2010

Welcome to the ABC Science Updates, find out what's happening in the world of science this week.

Top news stories of the week

Seven hours the magic number for sleep

Seven hours the magic number for sleep

People who sleep more or fewer than seven hours a day, including naps, are increasing their risk for cardiovascular disease, a US study shows.

Australian oceans most biologically diverse

Australian oceans most biologically diverse

Australia's waters have been ranked as being the most biologically diverse in the world, yet up to 80% of the species in it have yet to be discovered, a new study has shown.


Orangutans most energy efficient primate


Cat-like croc fossil discovered in Africa


Scientists decipher bacteria motor

What's new

Lie down and be counted!

Lie down and be counted!

Big Sleep Survey 2010 | Volunteer to do the Big Sleep Survey. Find out about your sleep habits and contribute to what could be the biggest scientific sleep survey ever!

Peak phosphorus fuels food fears

Peak phosphorus fuels food fears

Science feature | Phosphate fertilises our crops. But as the global population increases and rock phosphate reserves run out, the race is on to reduce our use or find alternative sources of phosphorus.

We are all mutants

We are all mutants

Bernie's Basics | Mutants aren't all three-eyed Hollywood freaks. Mutations happen in our cells every day, and without them life on Earth wouldn't have progressed beyond pond scum.

Killer asteroid coming our way

Killer asteroid coming our way

StarStuff Podcast | Five-hundred-metre-wide asteroid heading toward Earth. Plus: did the Big Bang happen?; solar tsunami ripples through space; and science roundup from across the twitter-verse.

Superficial scholarship sends 'Eskimo' myth snowballing

Superficial scholarship sends 'Eskimo' myth snowballing

Great Moments in Science | Laying claim to knowing everything about another people's culture can be hazardous. Dr Karl lifts the lid on the modern-day snow-job done on the Eskimo people's culture.

High high in the sky

High high in the sky

Dr Karl on triple j | What colour is the Sun? Plus: Do your eyes or brain make you colour-blind? Can someone parachuting break the sound barrier? How much light is lost when transmitting through fibre-optic cables?

ABC Health & Wellbeing

Do redheads feel pain differently?

Do redheads feel pain differently?

Tony Abbott's marathons might have taught him a thing or two about tolerating pain. But could Julia Gillard have her own secret weapon against the agonies of the 2010 federal election campaign trail?

ABC Environment

How zoos are saving our animals

How zoos are saving our animals

Think that zoos are anachronistic menageries which lock up animals purely for human entertainment? The truth is that good zoos are more important today than they've ever been before.

Catch up with ABC Radio and TV…

ABC audio media   General relativity and quantum mechanics - tying it all together with string theory

The Science Show | Amanda Peet explains the shortcomings of general relativity, how quantum mechanics provides answers where general relativity falls short, and how the whole situation is tied up by string theory.

ABC audio media   Moving plants and animals threatened by changing climate

The Science Show | As climates change around the world, habitats for some plants and animals are becoming unsuitable. Some ecologists are considering moving species across physical barriers to regions that are close to their habitat.

ABC audio media   Conifers back home in Tasmania

The Science Show | A Tasmanian researcher has been on a conifer rescue mission, travelling the world collecting their seeds and bringing them back for replanting in a land where they once thrived.

ABC audio media   Up the line to Goodna: patient rights and staff fights

All in the Mind | (Repeat) Part 3 of 3: The Office of the Patient's Friend was the first patient advocacy service to operate within the confines of an Australian psychiatric hospital. Part advocate, part whistle-blower, Nadia Beer has only recently retired from the role after 30 years.

ABC audio media   Walking the path together

Ockham's Razor | Dr Anthony Hillin makes a case for scientists and others who want to improve the wellbeing of Aboriginal people to undertake meaningful consultation with Aboriginal stakeholders.

ABC audio media   Calcium supplements

The Health Report |  Calcium supplements have been recommended for a long time to prevent osteoporosis. Research has now suggested that they may be associated with an increased risk of heart attacks.

ABC audio media   Prevention of weight gain in mothers with young children

The Health Report | Australian researchers from the Jean Hailes Foundation suggest that to prevent weight gain in mums of young kids it's better to engage them in a community support program than give them one-off dietary guidelines.

ABC audio media   2010 Reith lecture series: scientific horizons

Big Idea | Part two: Surviving The Century. Does science have the answers to help us save our planet?

ABC audio media   Soil fertility

Australia Talks | Food production has to double without using more water, more fertilisers and more land by 2050, if there is to be enough to feed the world. The answer is improved soil fertility. But how can Australia recover some poor and degraded soils by that deadline?

Listen to more science on Radio National


ABC video media   Eureka Prizes People's Choice Award finalists - part 1

Catalyst |  Meet the first three finalists in the running to become Australia's favourite scientist for 2010.

ABC video media   Eureka Prizes People's Choice Award finalists - part 2

Catalyst |  Meet the final three finalists in the running to become Australia's favourite scientist for 2010.

ABC video media   Skating on the edge: why are young men such reckless risk-takers?

Catalyst |  Most young men go through it - a time of feeling immortal - when the thrill of an adrenaline rush leads to reckless behaviour. But why would such behaviour evolve, when it's potentially harmful - even lethal?

ABC video media   Science yacht: purpose-built for Antarctic research

Catalyst |  Ships, planes, helicopters and snow tractors can take scientists to most parts of Antarctica's harsh environment, but not all. So the captain of Australia's icebreaker, the Aurora Australis, is designing a new kind of craft that will allow researchers to visit some of Antarctica's most inhospitable places.

Watch more Catalyst stories


ABC audio media   Electricity Delivery Trike

Innovations |  A Tasmanian designer has invented an electric three-wheeler that could revolutionise mail delivery.

Listen online or subscribe to Radio Australia podcasts


Coming up…

The Science Show

The Science Show

Saturday 7 August, 12.05 pm, Radio National

Science on fire | Scientists want more from the Royal Commission Report on the fires in Victoria, believing too much evidence has been restricted because of legal requirements connected with ongoing criminal cases.

See full Radio National guide

Catalyst

Catalyst

Thursday 12 August, 8.00 pm, ABC 1

Born again batteries | Batteries don't deliver power or recharge quickly and they have a limited lifetime. So how do we make batteries better? Tanya Ha discovers the battery powering the devices of the future may not be a battery at all.

See full ABC TV guide


In the Sky this Week with Ian Musgrave

Thursday August 5 to Thursday August 12

The New Moon is Tuesday August 10. Four of the five classic planets are visible together in the early evening sky forming interesting patterns. Venus is close to Mars and Saturn with Venus and Saturn coming side by side on the 8th. Mercury is prominent below these planets and is close to the crescent Moon on the 12th. Jupiter is now in the evening sky.

More…

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