How concerned are scientists about the Larson C ice shelf calving its most recent iceberg? Archeologists have also found new evidence that confirms earlier dates for the existence of ancient Australian humans.

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Sources:

http://www.pbs.org/newshour/rundown/antarcticas-larsen-c-ice-shelf-finally-breaks-releases-giant-iceberg/
https://www.livescience.com/59779-larsen-c-iceberg-timeline.html
http://www.esa.int/Our_Activities/Observing_the_Earth/Copernicus/Sentinel-1/Sentinel_satellite_captures_birth_of_behemoth_iceberg
http://www.projectmidas.org/blog/calving/
https://www.vox.com/science-and-health/2017/7/12/15947448/antarctica-ice-berg-larsen-c-how-big
https://www.nasa.gov/feature/goddard/2017/massive-iceberg-breaks-off-from-antarctica
https://www.washingtonpost.com/news/energy-environment/wp/2017/07/05/an-iceberg-the-size-of-delaware-is-about-to-break-off-of-antarctica/?utm_term=.0b17993e36bc
https://www.sciencenews.org/article/delaware-sized-iceberg-breaks-antarctic-ice-shelf
https://www.theverge.com/2017/7/5/15925154/larsen-c-ice-shelf-iceberg-antarctica-climate-change

http://popular-archaeology.com/issue/summer-2015/article/the-first-australians
http://press.nature.com/?post_type=press_release&p=87009
http://nature.com/articles/doi:10.1038/nature22968
https://www.nature.com/articles/ncomms10511
https://www.researchgate.net/publication/229666399_When_did_humans_first_arrive_in_Greater_Australia_and_why_is_it_important_to_know
https://phys.org/news/2017-01-humans-climate-australian-megafauna.html

Images:

https://svs.gsfc.nasa.gov/12633
https://commons.wikimedia.org/wiki/File:Antarctic_shelf_ice_hg.png
https://commons.wikimedia.org/wiki/File:Antarctic-Peninsula-Ice-Shelves.png
https://commons.wikimedia.org/wiki/File:Simosthenurus_BW.jpg
http://press.nature.com/?post_type=press_release&p=87009
https://commons.wikimedia.org/wiki/File:Diprotodon11122.jpg