Antarctic scientists are preparing to embark on a search for the oldest ice core ever found, dating back one million years. In order to uncover this relic from the past they’ve had to develop tools to withstand the harshest conditions on Earth.
Subscribe to us on YouTube: http://ab.co/1svxLVE
Go deeper on our ABC News In-depth channel: https://ab.co/2lNeBn2
You can also like us on Facebook: http://facebook.com/abcnews.au
Or follow us on Instagram: http://instagram.com/abcnews_au
Or even on Twitter: http://twitter.com/abcnews