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In the very beginning of the Roman calendar (more than 2000 years ago), there were only 10 months in the year. Jule Berlin/Shutterstock

Curious Kids: how did the months get their names?

December is named for the Roman word for “tenth”. So, why is it the twelfth month?
With more than a million Australians using public transport to get to work each day, demand for car parking at the station is virtually insatiable. Philip Mallis/flickr

$500m for station car parks? Other transport solutions could do much more for the money

The Commuter Car Park Fund announced in the budget sounds big, but is likely to create only around 30,000 extra spaces – a marginal benefit for Australia’s 1.2 million daily public transport users.
Tasmania’s fires may have released mercury previously absorbed by trees. AAP Image

Mercury pollution from decades past may have been re-released by Tasmania’s bushfires

Huon pines in Tasmania have locked up significant amounts of mercury pollution from the state’s mining industrial history. And that can be released back to the atmosphere in bushfires.
Casual academics provide flexibility for universities at a time when student numbers are uncertain. from shutterstock.com

Casual academics aren’t going anywhere, so what can universities do to ensure learning isn’t affected?

The higher education sector may be the the third largest employer of casual staff in Australia. More cuts to universities mean the use of casual academics could increase further.
Fluorescence microscopy image of the newly formed blood vessels after injection of our seaweed-derived hydrogel in a muscle. In green are the blood vessels and in blue the cell nuclei. Aurelien Forget, Roberto Gianni-Barrera, Andrea Banfi and Prasad Shastri

Edible seaweed can be used to grow blood vessels in the body

Small wounds can usually heal by themselves, but larger wounds can be a problem. With a little help from a seaweed we can help the body regenerate new blood vessels.
An analysis of population statistics shows that most New Zealanders, from any groups, don’t report experiencing intolerance or discrimination. AAP

What the data say about discrimination and tolerance in New Zealand

Many New Zealanders responded to the Christchurch terror attack with displays of unity and openness, and research into attitudes shows that tolerance is a widely held value.
A palisade trapdoor spider of the new species E. turrificus walks across the rainforest floor near Maleny, Queensland. Jeremy Wilson

Trapdoor spider species that stay local put themselves at risk

Trapdoor spiders that build unique burrows are found only in small areas of Queensland. But they don’t travel very far from their location, and that could put them at risk.