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Human - Wikipedia

en.wikipedia.org/wiki/Human

Modern humans are the only extant members of Hominina tribe (or human tribe), a branch of ... They began to exhibit evidence of behavioral modernity around 50,000 ..... The earliest fossils that hav...

How Long Have Humans Been On Earth? - Universe Today

www.universetoday.com/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.

How long have humans been on earth? | Reference.com

www.reference.com/world-view/long-humans-earth-5f5c318d609cd262

Modern humans have existed for roughly 200000 years. The species to which humans belong, Homo sapiens, is the only species of human alive today.

For How Long Have We Been Human? : 13.7: Cosmos And Culture ...

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.

Putting Time In Perspective - UPDATED - Wait But Why

waitbutwhy.com/2013/08/putting-time-in-perspective.html

Putting massive amounts of time in perspective is incredibly hard for humans, so we made ... is the next midnight, 24 hours later, modern humans have been around since ..... Who cares if what you do doesn't affect the universe in the long run?

If the Earth is 4.5 billion years old, and humans have only been ...

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-many-more-civilizations-and-species-before-us

A lot of people have covered the timeline. We do not know -- for a fact -- that no other intelligent ... 4.5 billion years is a long time. Around .... I don't know where you got the idea that humans have only been around for "a few thousand years.

www.ask.com/youtube?q=How Long Have Humans Been around?&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: ...

How Long Have Humans Dominated the Planet? - Scientific American

www.scientificamerican.com/article/length-of-human-domination/

Dec 6, 2013 ... There is little doubt from the archaeological record that humans have been altering ecosystems on a local scale for at least 50,000 years if not ...

Evolution: Frequently Asked Questions - PBS

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 ...