Marean writes, dna evidence shows that all humans are descended from that relatively small group of survivors perhaps only. Scientific american is the essential guide to the most aweinspiring advances in science and technology, explaining how they change our understanding of the. The sciences scientific american volume 3, issue 2 features. This idea draws support from the view of curtis marean that hypersociality, a trait peculiar to h. The modern human lineage appeared in africa between 100,000 and 200,000 years ago, but the roots of modern human technology are much less clearly defined. Marean, scientific american, the most invasive species of all, august 2015 is this author a credible source. Its like theyre reading a book, and they can still. Scientific american is the essential guide to the most aweinspiring advances in science and technology, explaining how they change our understanding of the world and shape our. The skin of our teeth field notes north coast journal.
In the cover story of the august scientific american curtis marean of arizona state university in tempe tackles a longstanding question in. Youngest toba tuff glass shards found together with evidence of human occupation at two archaeological sites from the southern coast of south. Volume 491 issue 7425, 22 november 2012 nature research. Paleoanthropologist writes untold story of our salvation. Marean is a professor of archaeology at arizona state university. Curtis marean s research interests focus on the origins of modern humans, the prehistory of africa, the study of animal bones from archaeological sites and climates and environments of the past. This large international project, funded by the national science foundation. Team leader curtis marean, a paleoanthropologist with the institute of human origins at arizona state university.
Clues to how homo sapiens conquered earth emerge from digs in. But ours is the only one that colonized the entire planet. We would like to show you a description here but the site wont allow us. The ones marked may be different from the article in the profile. Anthropologist curtis marean, writing in the august issue of scientific american, believes that pinnacle point, a promontory at the very southern tip of south africa, was that lifegiving sanctuary. Humans thrived in south africa through the toba eruption. N2 sometime after 70,000 year ago our species, homo sapiens, leftafrica to begin its inexorable spread across the globe.
Introducing the may 2020 issue scientific american blog. Small lethal tools have big implications for early modern. Blaffer hrdy of the university of california, davis, in her 2009 book mothers and. The sciences scientific american volume 3, issue 2 features how homo sapiens became the ultimate invasive species many human species have inhabited earth. The most invasive species of all arizona state university. Marean is a professor of archaeology at arizona state university in a 2010 article in scientific american, marean explained how anatomically modern humans survived the mis 6 glacial stage 195123 thousand years ago, a period during which the human population was limited to only a few hundreds breeding individuals. The fossil that revolutionized the search for human. Marean jul 14, 2015 sometime after 70,000 years ago our. Curtis marean is an archaeologist whose work focuses on the origins of modern humans, the prehistory of africa, the study of animal bones from archaeological sites, and climates and environments of the past. Forty years ago today, a young american paleoanthropologist named donald johanson made.
This cited by count includes citations to the following articles in scholar. Great human odyssey is a spectacular global journey following their footsteps out of africa along a trail of fresh scientific clues. During this period, sea levels dropped more than a hundred meters. Curtis mareans research interests focus on the origins of modern humans, the. Research articles and publications institute of human. How homo sapiens became the ultimate invasive species. Mossel bays point discovery centre our planned multipurpose building right next door to the site of south africas first scientific archaeological excavations hopes to answer these questions. Highlightannotate where you could find the answers to the following questions. Scientific american is the essential guide to the most aweinspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives. Home publications research articles and publications. In a 2010 article in scientific american, marean explained how anatomically modern.
We spend months working on each edition, but then for one week, roughly six weeks before publication, we have. When the sea saved humanity arizona state university. Science articles and publications books and chapters annual report. The fossil that revolutionized the search for human origins. Marean has fieldwork experience in kenya, tanzania, and somalia, and has focused his efforts in coastal south africa. Point discovery centre welcome to the point discovery.
98 1496 489 1060 945 181 908 1536 1206 851 864 803 1563 1224 1462 1169 1093 1363 168 1346 257 1474 759 533 103 1205 638 211 1010 1413 251 1469 1337 549 1042 383