Michael Moore, Victorian Corporate Affairs Manager for the National Broadband Network, on the benefits of faster broadband to homes and businesses. He explains how the transition from ADSL will work, minimum speeds to expect and how the NBN will alleviate congestion resulting from our love affair with video streaming services like Netflix and YouTube.

Can Australia make any difference to global climate change, unless the rest of the world takes concerted action to curb emissions? More from Melbourne University's Professor David Karoly.

If current trends continue, the colder climes of countries like Russia and Canada stand to benefit from global warming, as crops improve and arable land increases. But where it's already hot, the story is very different, according to David Karoly. Darwin could become the hottest place on Earth.

Our weekly news round-up: NASA's super slo-mo camera details SLS booster plume; Yahoo's user data for sale; Giant highway straddler tackles Chinese traffic; Torrentz directory shuts itself down; Fast and simple Zika test; Edward Snowden in danger; Instagram mimics SnapChat; Facebook addresses clickbait scourge.

Our run down of exciting local and national events. Celebrating and encouraging science and tech downunder.

A browser especially for bitcoin users is available, but the crypto currency's value falls after a large Asian exchange is hacked.

Eminent climate scientist David Karoly leads a Beyond Infinity panel discussion of mass consumerism, advertising, Earth's ballooning population, contraception and personal philosophy.

The gadget of the week is these great wireless cans from Bose. Very decent sound reproduction, combined with incredible noise cancelling technology.

Pareidolia is the imagined perception of a pattern or meaning where it does not really exist. But try telling that to Nashville "nun bun" merchandisers or chapatti devotees in Bangalore!

The Melbourne University professor and lead author for the UN's Intergovernmental Panel on Climate Change explains why we should act before it's too late.