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The role pollution aerosols play in climate change is incredibly complicated. CzechR/Flickr

Masking and unmasking of global warming by aerosols

Climate scientists have established a convincing case for the link between increasing concentrations of greenhouse gases and observed warming of the Earth since the 19th century. The Fifth Assessment Report…
A home-made hexapod robot on display at a Mini Maker Faire at Somerville in the US. Chris Devers

Makers bridge the gap between science and art

One evening when I was young, my father confiscated my radio because he said I was playing it too loud (I wasn’t). Fortunately, I had a bunch of broken down receivers in my room, so I built a new one…
Science fiction to non-fiction: the next generation of robots promises to be ultra intelligent. andreybl

Self‑driving cars and autonomous robots: where to now?

There isn’t a radio-control handset in sight as a nimble robot briskly weaves itself in and out of the confined tunnels of an underground mine. Powered by ultra-intelligent sensors, the robot intuitively…
Corporate data, once resigned to magnetic tapes, is now able to be manipulated on a much finer grained scale. TunnelBug/Flickr

Big data and big business: it’s what you do with it that matters

The crucial thing about “big data” is the data. “Big” is relative, and while size often matters, real disruption can come from data of any size. This is not a new idea, being several hundred years old…
Flooded roads can affect evacuating populations but computer modelling can quickly reevaluate plans to minimise loss of life. EPA/Mak Remissa

Evacuation modelling: finding the best time (and way) to get going

Reports from the Philippines reveal a lack of typhoon preparation and evacuation efforts. When to evacuate – and how – spells the difference between life and death. As we know, typhoons can cause…
If you like good food, clean water, and protection from disease, you’re probably a fan of biosecurity. AAP Julian Smith

Explainer: why Australia needs biosecurity

When the Department of Agriculture called a halt to imports of pop star Katy Perry’s latest album this month, they weren’t making a musical judgement. They were protecting Australia’s biosecurity. Biosecurity…
Doctors and scientists are encouraging school leavers to party safe this schoolies week. AAP

Using new hospital toolies to help Gold Coast schoolies

For the first time, Gold Coast hospitals are preparing for schoolies using technology to predict when drunk and injured teens will need help. With over 28,000 school leavers about to descend on the Gold…
How does the power get from there to here? alkhodarev/Flickr

Explainer: how does the electricity grid work?

Where would we be without electricity? Assuming that you own a fridge, there won’t be many points in your life when you aren’t making use of it. But what do we mean when we talk about the electricity grid…
How much influence do aerosols such as this smog have on climate? Flickr/freddie boy

Climate change and aerosols: new research

New research published today in Nature gives us a better idea of how much aerosols produced by people are influencing climate change. Aerosols — tiny particles produced naturally and by burning fossil…
How much can we burn? That depends on the future we want. Aaron Muderick

Setting a carbon budget to keep below two degrees

We have already committed the planet to a certain amount of warming due to past carbon emissions. But efforts to reduce emissions now and over the next few decades will critically affect the degree of…
We should be talking about future bushfires. AAP Image/Dan Himbrechts

Fire and climate change: fire risk needs to be managed

Recent fires in New South Wales highlight our current vulnerability, remind us about potential future risks and prompt us to think more strategically about risk management. Some key questions have come…
In the event of a crisis, turning to social media could mean the difference between life and death. Dustin Diaz

When bushfires sound alarms, social media can save lives

These days, social media and online apps have become a major source of disaster information and warnings. But how much can we trust them? Today, more than 82% of Australians use the internet and 76% can…
NASA has built up a strong network of science enthusiasts who can step in when the agency shuts down. NASA HQ PHOTO

How Twitter fans kept NASA alive during the US shutdown

Now that the US government is back in business, all “non-essential” services will resume. For 15 days we went without NASA’s full operation, US Antarctic research and federally-funded clinical studies…
Six-legged hexapod robots can navigate rugged terrain and access places human workers cannot. CSIRO

Beyond R2‑D2: Australian manufacturing’s robotics wish‑list

In 1977, George Lucas’ Star Wars introduced us to R2-D2, an intelligent bot that embodied modern assistive robotics: he could anticipate needs and perform a number of tasks with minimal instruction. Almost…
New research shows supermassive black holes are bigger than the sum of their parts. NASA/CXC/A.Hobart

When galaxies collide: the growth of supermassive black holes

Galaxies may look pretty and delicate, with their swirls of stars of many colours - but don’t be fooled. At the heart of every galaxy lies a supermassive black hole, including in our own Milky Way. Black…
New Zealand’s ancient tuatara might need a helping hand to cope with climate change. Flickr/Sheep"R"Us

Should we move species threatened by climate change?

Climate change is one of the greatest threats the world’s animals and plants are facing. In fact the world is facing an extinction crisis, which should concern all of us. The major problem with climate…

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