Web Results

en.wikipedia.org/wiki/Human

Modern humans are the only extant members of the subtribe Hominina, a branch of the tribe ... They began to exhibit evidence of behavioral modernity around 50,000 .... The earliest fossils that have been proposed as members of the hominin .... early humans and these sister species has been a long-standing source of ...

www.universetoday.com/38125/how-long-have-humans-been-on-earth

Jan 19, 2015 ... While our ancestors have been around for about six million years, the modern form of humans only evolved about 200,000 years ago.

www.ask.com/youtube?q=How+Long+Have+Humans+Been+on+Earth%3F&v=Ve969_F71KI
Jan 15, 2015 ... Within the history of everything we know from the Big Bang to this moment, where do humans fit in? Click here to see more videos: ...

www.npr.org/sections/13.7/2012/09/11/160934187/for-how-long-have-we-been-human

Sep 13, 2012 ... Around 12,000: Onset of agriculture and human settlements. ... know how the paints were used: no painted walls or objects have been found.

www.galaxymonitor.com/long-humans-earth

Jun 27, 2017 ... Even with this evolutionary history spanning millions of years, records of our civilizations only start dating back approximately 6000 years ago.

www.quora.com/If-the-Earth-is-4-5-billion-years-old-and-humans-have-only-been-around-for-a-few-hundred-thousand-years-how-do-we-know-there-have-not-been-many-more-civilizations-and-species-before-us

The Universe is 13.7B years old. The Earth has not existed since the moment the Universe was ...

www.quora.com/How-long-have-modern-humans-been-on-Earth

The first human ancestors appeared between five million and seven million years ago, probably when some apelike creatures in Africa began to walk habitually .

www.pbs.org/wgbh/evolution/library/faq/cat06.html

Even though evolution is taking place all around us, for many species the process ... or hundreds of thousands of years -- much too long to witness in a human lifetime. ... A battle against bacteria that we have been winning with medicine for the ...

humanorigins.si.edu/evidence/human-fossils/species/homo-sapiens

Unlike every other human species , Homo sapiens does not have a true type specimen. ... herding animals, activities that transformed Earth's natural landscapes—first ... Our species had been so successful that it has inadvertently created a ...