Neanderthal tools http://www.paleodirect.com/mous1.htm (6/22/2013)
Neanderthal tools http://www.amnh.org/exhibitions/permanent-exhibitions/human-origins-and-cultural-halls/anne-and-bernard-spitzer-hall-of-human-origins/neanderthal-tools (6/22/2013)
New Evidence Puts Man in North America 50,000 Years Ago, http://www.sciencedaily.com/releases/2004/11/041118104010.htm
Origins of Paleoindians http://en.wikipedia.org/wiki/Origins_of_Paleoindians (8/22/2010)
Pedra Furada, Brazil: Paleoindiand, Paintings, and Paradoxes, http://www.athenapub.com/10pfurad.htm (2012)
Pompeii-Like Excavations Tell Us More About Toba Super-Eruption http://www.sciencedaily.com/releases/2010/02/100227170841.htm
Quaternary Period http://www3.hi.is/~oi/quaternary_geology.htm (8/31/2010)
Red hair a part of Neanderthal genetic profile http://seattletimes.nwsource.com/html/nationworld/2003975496_neanderthal26.html (8/26/2010)
Rethining Neanderthals, Joe Alper, Smithsonian.com, Science and Nature, June 2003 http://www.smithsonianmag.com/science-nature/neanderthals.html?c=y&page=1
Savoonga artist to explore traditional native tattoos, Anchorage Daily News http://www.adn.com/2011/04/02/1788951/savoonga-artist-to-explore-traditional.html (4/5/2011)
Shamanism in Siberia http://www.sacred-texts.com/sha/sis/sis04.htm (4/5/2011)
Shiraoi Ainu Village http://members.virtualtourist.com/m/tt/52254/
Signs of Neanderthals Mating With Humans http://www.nytimes.com/2010/05/07/science/07neanderthal.html?_r=1 (8/26/2010)
Simple techniques for production of dried meat http://www.fao.org/docrep/003/x6932e/X6932E02.htm (9/27/2010)
Snout trout is critically endangered http://www.arkive.org/kunmingsnout-trout/schizothorax-grahami
Solutrean http://en.wikipedia.org/wiki/Solutrean (8/23/2010)
Stone Age Columbus http://www.bbc.co.uk/science/horizon/2002/columbusqa.shtml (8/23/2010)
Stone Me! Spears show early human species was sharper than we thought http://www.guardian.co.uk/science/2012/nov/15/stone-spear-early-human-species
Stone Tools Point to Creative Work by Early Humans in Africa http://www.nytimes.com/2012/11/13/science/evidence-of-persistent-modern-human-behavior-in-africa.html?emc=eta1&_r=0
Stone-tipped spear may have much earlier origin http://articles.latimes.com/2012/nov/16/science/la-sci-hafting-spears-20121116
Straight-tusked elephant http://en.wikipedia.org/wiki/Straight-tusked_Elephant (10/3/2010)
Synoptic table of the principal old world prehistoric cultures http://en.wikipedia.org/wiki/Synoptic_table_of_the_principal_old_world_prehistoric_cultures (9/8/2010)
Toothpicks----Homo erectus used them http://phys.org/news/2014-05-toothpicking-behavior-middle-pleistocene-hominins.html
Transmitting the Ainu wisdom http://www.town.shiraoi.hokkaido.jp/ainutradition/yamamaru/index.html
Umiaq skin boat http://en.wikipedia.org/wiki/File:Umiaq_skin_boat.jpg
When did humans come to the Americas? http://www.smithsonianmag.com/science-nature/When-Did-Humans-Come-to-the-Americas-187951111.html
Zhirendong puts the chin in china http://johnhawks.net/weblog/fossils/china/zhirendong-2010-liu-chin.html
Zhoukoudian Relics Museum hppt: www.china.org.cn/english/features/museums/129075.htm (9/5/2010)