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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 ... Social interactions between humans have established an extremely wide ..... technology, which is unprece...

How Long Have Humans Been On Earth? - Universe Today

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

Jan 26, 2006 ... While our ancestors have been around for about six million years, the modern form of humans only evolved about 200000 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.

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 3000 of those years are  ...

New Study Suggests Humans Will Not Live Long Enough To See ...

www.sciencedaily.com/releases/2000/03/000329080536.htm

Mar 29, 2000 ... That is well past the expected life span of the human species, or even of the ... Paleontologists have known that the Earth needed a long time to ...

When Did the First Human Appear on Earth? - Harry Foundalis

www.foundalis.com/bio/1st/1sthuman.htm

Doesn't there have to be a First Human even in the case of evolution, a pair .... But the change is also abrupt when viewed at a larger scale: for a very long time,  ...

www.ask.com/youtube?q=How Long Have Humans Inhabited Earth?&v=Ve969_F71KI
Jan 15, 2015 ... ... of everything we know from the Big Bang to this moment, where do humans fit in? ... pop culture, history or art, we explore it all and have a ton of fun doing it. ... What Will Happen When Earth's Magnetic Poles Reverse?

BBC - Earth - Why are we the only human species still alive?

www.bbc.com/earth/story/20150929-why-are-we-the-only-human-species-still-alive

Sep 29, 2015 ... Once Earth was home to a host of human species, from ... Why did we manage to survive when all of our closest relatives have died out? ... Neanderthals evolved long before us, and lived in Europe well before we arrived.

Evolution: Frequently Asked Questions - PBS

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

How long does evolution take? ... Because for many species, humans included, evolution happens over the course of ... Scientists studying Galapagos finches have seen evolutionary changes in beak ... How long has life existed on Earth?

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 ... It sounds like a straightforward question: When did we become human? But as commentator and anthropologist Barbara J. King suggests, the ...