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Science + Tech – Articles, Analysis, Comment

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Don’t worry - your Reader data is still in there. Ed Yourdon

Dude, where’s my data? Life after Google Reader

Google HQ’s recent announcement that its Reader platform is to be discontinued has been met with concern - even alarm - from its legions of loyal users. So where do we go from here? What will happen to…
Myths surround the use of polygraph machines. Lie detector photo from Shutterstock.

Lie detectors and anti-doping – who’s kidding who?

Please, sit down. Try not to sweat. Just relax. Now, answer honestly: could lie detectors succeed where current anti-doping measures in sport are failing? If you answered “yes” you are not alone. There…
The moon in total lunar eclipse as seen over Sydney in 2011. AAP/Sydney Observatory

I see the moon: introducing our nearest neighbour

The moon. Our nearest neighbour. The main source of the ocean’s tides, and a beacon that drives the lives of animals across the globe. And also, to date, the only object beyond Earth on which humans have…
Silver bullets are elusive when it comes to curbing illegal downloads. aquella manera

Smacking down online piracy – does New Zealand know best?

We know online piracy exists; we know governments want to stop it – but what are the options? Richard Freudenstein, CEO of Australia’s largest pay-TV provider Foxtel, has joined the chorus of entertainment…
The ways in which we use VPNs have changed. Stephan Geyer

Explainer: what is a virtual private network (VPN)?

Have you ever wanted to exist in more than one place at the same time? The laws of physics suggest wormholes through space and time are hypothetical; but wormholes do exist in cyberspace and wonders can…
China’s “little emperors” may have been unfairly characterised. Saf'

Is China’s one-child policy really to blame for personality changes?

People born in China under the one-child policy (OCP) – a policy applied since 1979, restricting urban couples to having only one child – are less trusting, trustworthy, competitive, conscientious, risk-seeking…
Our brains are reorganising even when we don’t physically mimic movements. conmike12

We watch and learn the moves – even when we’re immobile

It may seem somewhat intuitive, but learning through observation is one of the most potent ways humans learn a new skill. We see someone moving in a certain way and we copy it. But what happens when the…
The use of the term “junk DNA” has always been controversial. Nick Kidd

Not dead yet: junk DNA is back

A controversy at last: most of our DNA is junk, no it isn’t, yes it is. Actually, I think it is – up to 90% really is junk. Last year The Conversation published an article with an exciting headline: Human…
There’s still hope for open sharing of content on the web. Sue Waters

Google Reader is dying, but the open web lives on

Google announced today it will close its Google Reader service. Citing a declining number of users owing to the downturn in popularity of RSS (Really Simple Syndication) feeds, Google Reader - which offers…
In species such as the jacana, above, females desert the eggs as soon as they are laid. Rainbirder

Role reversal: adult sex ratio leads to ‘gender-bending’ birds

Why do some species exhibit patterns of reversed gender roles? That question was addressed in a Nature Communications paper published yesterday. Typically in animals, females tend to invest more in caring…
A woman reads the Sydney Morning Herald in its new tabloid-sized format while a neuro test monitors her reaction. Fairfax/AAP

Neuromarketing for the compact Fairfax papers was a no-brainer

If there’s one thing that could be observed from Fairfax’s move to publish its first tabloid-sized broadsheets it was a surprising level of neuro-illiteracy. Fairfax’s head of advertising, Sarah Keith…
The RBA has been the subject of hacking attacks – but that is not unusual. AAP/Sergio Dionisio

The RBA state-sponsored hack attack (or phishing for a story)

You’ll have seen the fallout this week regarding a so-called “spearphishing” attack on the Reserve Bank of Australia (RBA) in 2011. As with most media reports on cyber-attacks, this one appears to have…
Concerns about the NBN destroying Australian music are just scaremongering. AAP/Joel Carrett

The NBN will be disastrous for the music industry … really?

The NBN could have disastrous results for the local [music] industry. At least, that was the view of peak recording industry body the International Federation of the Phonographic Industry (IFPI) and local…
How serious an issue is the theft of intellectual property, and who does it affect? ALERAI

Great idea, thanks: intellectual property and theft

If ideas are currency in a knowledge-driven industry such as scientific research, why is intellectual property (IP) so often taken without consent? The majority of ideas generated through scientific endeavour…
Australia is stuck in a “deficit model” of science communication. -{GP}-

Science engagement in Australia is a 20th century toy

Science engagement in Australia is trapped in the 20th century. It operates under an outdated model that aims to promote and celebrate science, rather than encouraging the public to participate in, and…
Endangered languages are being preserved using cheap mobile phones. Steven Bird

Cyberlinguistics: recording the world’s vanishing voices

Of the 7,000 languages spoken on the planet, Tembé is at the small end with just 150 speakers left. In a few days, I will head into the Brazilian Amazon to record Tembé – via specially-designed technology…
Unnamed players from the Cronulla Sharks NRL club are being investigated over the alleged use of performance-enhancing drug TB-4 … but what is it? AAP Image

Cronulla Sharks and thymosin beta-4 … is it doping?

Fairfax Media reported today that 14 players from the Cronulla Sharks NRL club may be suspended by the Australian Anti-Doping Agency (ASADA) for the alleged use of a substance called thymosin beta-4 (TB-4…
It’s now one of the world’s most commonly used tools, but what exactly is GPS? CIAT International Center for Tropical Agriculture

Explainer: what is GPS?

It’s a device used widely in cars, on smartphones and in fitness devices. But what exactly is GPS, and how is it able to pinpoint our exact location anywhere on Earth? How does it work? The Global Positioning…
Australia is faced with the choice of falling behind or taking steps to keep pace with others. Marco Crupi Visual Artist

Hang on … Australian R&D doesn’t punch above its weight

Australia punches above its weight in terms of global research, producing more than we might expect given our small population. At least … that’s the line we’ve been fed for years – but is it true? A cracking…
The Falkland Islands wolf was marooned for thousands of years before going extinct. Michael Rothman for Ace Coinage, Inc

History mystery solved: the origins of the Falkland Islands wolf

A long-standing natural history mystery has been solved, as my colleagues and I explain today in the journal Nature Communications. The Falkland Islands wolf, or warrah, may have been the world’s loneliest…
A modified version of the SpaceX Dragon capsule (above) will be used for the mission to Mars. NASA/KIM Shiflett

We’re heading to Mars the ‘do-it-yourself’ way – and why not?

American multi-millionaire and “space tourist” Dennis Tito plans to help fund a trip to Mars for two intrepid astronauts – as you may have read about on The Conversation. But they won’t be stopping – just…
How is the spin of black holes measured, and what can it tell us about our universe? NASA/Goddard Space Flight Center

Cutting through the spin on supermassive black holes

Astronomers have measured the spin of a black hole buried in the heart of a galaxy located 56 million light years away, and discovered it was spinning quickly – about as quickly as it could go. That was…
Is sending “oldies” to Mars an acceptable sacrifice – or a case of “voluntary euthanasia”? Be-Younger.com

Pensioners to go to Mars – why the old ones are the best

Tourist “astronaut” millionaire Dennis Tito wants to send an “older couple” to Mars. Would this be a stunt by an enthusiast or a meaningful breakthrough in space exploration? Being elderly myself, I have…
New research suggests that seeds could now be formed without the biological process of fertilisation. CIMMYT

Seeds without sex – some racy findings on the cloning of plants

Sex without seed. Seed without sex. It’s been said that the greatest gift of science to humankind would be achieving those two goals. Effective contraceptives such as the pill have pretty much nailed the…