Geographically the world can be divided into five oceans, the Pacific, Atlantic, Indian, Southern and Arctic. These oceans cover around 70 percent of the earth and although we can't measure it exactly, it is estimated to have a volume of 1370 million cubic kilometres.
As tectonic plates beneath the Earth's surface continue to shift, over time it has begun to impact the latitude and longitude coordinates of Australia. This video explores how those minor changes will likely lead to much bigger changes over time and how that impacts things like maps as well as modern technology that relies on GPS.
Most people know that the Northern Territory is a territory and not a state (its name gives it away, after all) but what is the difference between a state and a territory anyway Find out about those differences and why some people believes it's time for the Northern Territory to become a state.
Whales sharks come to the Galapagos in large numbers at the same time every year. Why they do this is still a mystery. It is not to feed but it could be that they come to the islands to give birth. Yet no whale pups have been seen.
Stacey Thomson visits Queens Beach State School in Bowen, Queensland, to see how students are helping to replace trees damages in Cyclone Debbie, and teachers explain how they ensured school returned to normal after the natural disaster.
The bigger the drought, the bigger the flood. That certainly held true over the past year for the eastern half of Australia, with flooding rains ending the worst drought in history. The signs that the weather was turning began in 2009, when a deluge in the tropical north set the great desert rivers flowing through Central Australia. For the first time in years, the water flowed all the way to Lake Eyre, the huge salt pan in the dead heart of the continent. ABC TV reporter Paul Lockyer covered
Erosion over millions of years inevitably destroys all volcanic islands. Great pieces of the island will submerge, leaving only a ridge of cliff in the ocean. Despite this destruction, animals have evolved to live on these dying islands.
Volcanic islands eventually erode and sink back into the sea. The island of Espanola in the Galapagos is 4 million years old and sinking fast. But as it dies, it offers new opportunities for all sorts of animals.
Phil is a fire investigator and he shows us how he goes about investigating the cause of a brushfire. From where it started to how it began, he uses neat gadgets and other investigative tools to understand how the fire occurred and what can be done to prevent others.
Natalie interviews 14yearold Jade Hameister, the youngest person in the world to trek across the North Pole.With her main goal to inspire young girls to take on great challenges in their lives,Jade plans to complete the polar hat trick in another year's time.Big inspiration for her is the fact that her dad is along on her expeditions, this man having scaled all seven summits including Mt Everest. And now his teenage daughter is inspiring the world!
Uncovering the mysteries of what lies 3km under the ocean is not an easy task. But through some simple measurements and sophisticated technology Simon Allen and his team at CSIRO are finding out what lurks beneath the ocean surface.
Michael Portillo arrives in Manassas, Virginia, scene of two crucial battles during the American Civil War. In Fredericksburg, he tries bottling bourbon corn whiskey and learns how it became the nation's spirit. In Richmond, the ex-politician enjoys a tour of the Virginia state Capitol building, where he hears of the dilemma faced by one of its most famous sons, General Robert E Lee, before donning his dancing shoes for a Cotillion ball. Michael ends his journey in Jamestown, the first permanent English settlement in North America.
Rachel uncovers one of Melbourne's hidden secret day trips when she heads for the hills and explores the Dandenong region. She meets up with passionate Argentinian chef Mauro from 'The Independent' restaurant, who she will cook alongside using locally caught golden trout.
After thrilling global audiences with her hit shows set in Europe and London, passionate world traveller, food creator and writer, Rachel Khoo, is uncovering Melbourne and the wider state of Victoria's culinary wonders for the world to see.