How did Neandertal voices sound?: Social interaction category
YouTube,. 'High-Pitched Voice Theory - Neanderthal - BBC Science'. 9 January 2009. Web. 7 May 2015.

Proof that Neandertals Could Speak: Social interaction category
TestTube,. 'Could Neanderthals Talk Like Us?'. 9 March 2014. Web. 7 May 2015.

How to Make a Spearhead via the Levallois Technique: Tool making category
Levallois Technique Part 2
Levallois Technique Part 3 (Watch this if you don't want to see the entire process, just the end result)
YouTube,. 'Preferential Levallois Part 1-3'. 4 January 2012. Web. 7 May 2015.

How Neandertals Hunted Mammoths: Food category

Citation:,. 'Neanderthal Hunters (Video) | Natural History Museum'. 2015. Web. 8 May 2015.