These climate activists want you to give up hope

The Extinction Rebellion, a network of climate activists who use civil disobedience to spotlight inaction on global warming, is rooted in the conviction that humanity has dug its own grave and has one foot dangling over the ...

In disasters, Twitter influencers get out-tweeted

New research on Twitter use during natural disasters offers potentially life-saving data about how information is disseminated in emergency situations, and by whom.

Tweeting in an emergency

Social media has become a useful tool for the rapid dissemination of information. Writing in the International Journal of Emergency Management, a UK team describes their investigations into whether or not the likes of Twitter ...

Protecting our digital heritage in the age of cyber threats

One of the key functions of the government is to collect and archive national records. This includes everything from property records and registers of births, deaths and taxes, to Parliamentary proceedings, and even the ABC's ...

How animals holler

While humans can only broadcast about one percent of their vocal power through their speech, some animals and mammals are able to broadcast 100 percent. The secret to their long-range howls? A combination of high pitch, a ...

Delhi shuts schools as smog sparks health 'emergency'

Authorities in Delhi on Monday closed schools, halted construction work and shut down a major power plant after days of choking smog led to warnings of a health "emergency" in the world's most polluted capital.

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