What was once the stuff of urban legends now spreads virally through social media claims the tunnels beneath our cities are used for child trafficking. The truth is both more mundane and important.
Artificial intelligence can help manage floods effectively, but decisions about which communities are protected require a human touch.
Our new invention tackles one of the greatest impediments to fish migration in Australia: culverts, those tunnels or drains often found under roads.
Drains take up precious but inaccessible open space in our cities. Converting these to living streams running through the suburbs could make for healthier places in multiple ways.
Heavy rains, poor and clogged drainage systems have made many towns and cities in Nigeria susceptible to massive flooding.