Clouds over Australia’s Davis Research Station, containing ice particles that activate ozone-depleting chemicals, triggering the annual ozone hole.
Barry Becker/BOM/AAD
The treaty to limit the destruction of the ozone layer is hailed as the most successful environmental agreement of all time. Three decades on, the ozone layer is slowly but surely returning to health.
Both Voyager spacecraft are only in communication with Earth via a Canberra tracking station.
NASA/JPL
The Voyager space probes sent back some amazing images of the planets in the outer Solar System, and they’re still talking to Earth every day via Australia’s tracking station.
Those who got advice from the online calculator in the study showed a small, but statistically significant, increase in trust towards robo-advice.
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The globe is greening as plants grow faster in response to rising carbon dioxide. But a new analysis shows they aren’t using more water to do it - a rare piece of good news for our changing planet.
New Delhi’s pollution is among the worst in the world. Each autumn, when crops are burnt and wind speeds are low, it risks rising to crisis levels.
Jean-Etienne Minh-Duy Poirrier
In November 2016, smog in New Delhi was 16 times above safe levels. An Indian researcher dug into the data to find out why, and how India can keep its capital breathing safely.
Ulysses butterflies (Papilio ulysses) in CSIRO’s Australian National Insect Collection, Canberra.
CSIRO
Greenland’s ice is largely responsible for the accelerating pace of sea-level rise. A new analysis shows that, while Greenland accounted for just 5% of the rise in 1993, that figure rose to 25% by 2014.
Giant northern cockroaches are surprisingly caring parents.
Urasimaru/Wikimedia Commons
Cockroaches and termites are closely related, and both pay their offspring a lot of attention – so much so in the latter’s case that the kids stay all their lives to help keep the nest clean and tidy.
Developers need to consider how a person with autism could react to their technology.
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There are plenty of apps that people with autism can use for learning, play and communication. Not all are designed with autism in mind, so what can we learn from any online user feedback?
Technology offers older Australians a wealth of ways to redefine later life.
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While the gases most responsible for global warming - carbon dioxide, methane and nitrous oxide - continue to climb, other industrial greenhouse gases are being brought gradually under control.
It’s in the genes why some people find broccoli unpleasantly bitter, but others barely flinch when eating it.
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It used to take weeks to find any of these mysterious signals from deep in space but when the new telescope started looking it found one within days. Then another.
Immortalised on a stamp, New Zealand’s stout-legged wren went extinct in the 1990s.
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The “decision science” approach helps avoid unanticipated consequences of programs to bring species such as New Zealand’s little bush moa, Waitomo frog, or laughing owl back from extinction.
Why do we need so many serves of vegetables in a day?
Unsplash/Jonathan Pielmayer
The populations of most Western countries report eating far less fruit and vegetables than they’re supposed to. So what’s making it so hard for us to get to the recommended ‘two and five’?