Navigation Links
New evidence of early horse domestication

Soil from a Copper Age site in northern Kazakhstan has yielded new evidence for domesticated horses up to 5,600 years ago. The discovery, consisting of phosphorus-enriched soils inside what appear to be the remains of horse corrals beside pit houses, matches what would be expected from Earth once enriched by horse manure. The Krasnyi Yar site was inhabited by people of the Botai culture of the Eurasian Steppe, who relied heavily on horses for food, tools, and transport.

"There's very little direct evidence of horse domestication," says Sandra Olsen, an archaeologist and horse domestication researcher at the Carnegie Museum of Natural History in Pittsburgh, PA. That's because 5,600 years ago there were no saddles or metal bits to leave behind. Equipment like bridles, leads, and hobbles would have been made from thongs of horse hide, and would have rotted away long ago. Likewise horses themselves have not changed much physically as a result of domestication, unlike dogs or cattle. So ancient horse bones don't easily reveal the secrets of domestication.

With research funding from the National Science Foundation, Olsen's team took a different tack. They looked for circumstantial evidence that people were keeping horses. One approach was to survey the Krasnyi Yar site with instruments to map out subtle electrical and magnetic irregularities in the soils. With this they were able to identify the locations of 54 pit houses and dozens of post moulds where vertical posts once stood. Some of the post moulds were arranged circularly, as would be most practical for a corral.

Next, geologist Michael Rosenmeier from the University of Pittsburgh collected soil samples from inside the fenced area and outside the settlement. The samples were analyzed for nitrogen, phosphorus, potassium, and sodium concentrations by Rosemary Capo, University of Pittsburgh geochemist, and her students. Modern horse manure is rich in phosphorous, potassium, and especially nitro
'"/>

Source:Geological Society of America


Page: 1 2 3

Related biology news :

1. Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer
2. Light therapy may combat fungal infections, new evidence suggests
3. Researchers find first evidence of venom system in extinct mammal
4. Scientists find evidence of catastrophic sand avalanches, sea level changes in Gulf of Mexico
5. Oldest dated evidence of cattle in southern Africa found
6. SLU researchers uncover direct evidence on how HIV invades healthy cells
7. Same-sex mating by fungi spawned infection outbreak, evidence suggests
8. Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace
9. Why we give: New study finds evidence of generosity among our early human ancestors
10. New evidence supports century-old theory of cancer spread
11. New evidence questions the simple link between prion proteins and madcow disease
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: New evidence early horse domestication

(Date:4/8/2015)... N.C. , April 8, 2015  Infinisource, ... solutions and services, and Morpho, a leading supplier ... partnership to produce the market,s most advanced biometrically-enabled ... Infinisource,s iSolved NXG time clock is setting a ... and labor data for the small and mid-size ...
(Date:4/2/2015)... , April 2, 2015 At its 2015 ... Lake City , the American College of Medical ... new directors to its Board.  Members of the ACMG ... and for forming and advancing its policies and programs. ... profession. "It,s an eventful time in medical ...
(Date:4/1/2015)... , Apr. 1, 2015  NXT-ID, Inc. (NASDAQ: ... authentication company focused on the growing mobile commerce market, ... Wocket smart wallets is underway to early access pre-order ... group includes usage at retail outlets including Walmart, Target, ... Users report Wocket was accepted at all outlets and ...
Breaking Biology News(10 mins):iSolved Time Clock Offers Unmatched Accuracy due to Morpho Biometrics 2iSolved Time Clock Offers Unmatched Accuracy due to Morpho Biometrics 3American College of Medical Genetics and Genomics Announces New Board Members: Dr. Louanne Hudgins is ACMG President-Elect 2American College of Medical Genetics and Genomics Announces New Board Members: Dr. Louanne Hudgins is ACMG President-Elect 3American College of Medical Genetics and Genomics Announces New Board Members: Dr. Louanne Hudgins is ACMG President-Elect 4American College of Medical Genetics and Genomics Announces New Board Members: Dr. Louanne Hudgins is ACMG President-Elect 5American College of Medical Genetics and Genomics Announces New Board Members: Dr. Louanne Hudgins is ACMG President-Elect 6American College of Medical Genetics and Genomics Announces New Board Members: Dr. Louanne Hudgins is ACMG President-Elect 7American College of Medical Genetics and Genomics Announces New Board Members: Dr. Louanne Hudgins is ACMG President-Elect 8NXT-ID Reports Second Shipment of Wocket Smart Wallets Underway to Early Access Pre-order Customers and Provides User Feedback 2NXT-ID Reports Second Shipment of Wocket Smart Wallets Underway to Early Access Pre-order Customers and Provides User Feedback 3NXT-ID Reports Second Shipment of Wocket Smart Wallets Underway to Early Access Pre-order Customers and Provides User Feedback 4
... responses to similar situations change as they age, according ... that combined brain scanning, eye-tracking and behavioral measures to ... Both preschool children and adults distinguish between damage ... perpetrator had done something wrong. Nonetheless, adults are much ...
... Researchers of the Max Delbrck Center for Molecular ... cells to differentiate into diverse cell types and thus ... molecule E-cadherin hitherto primarily known for its ... "intracellular glue". If E-cadherin is absent, the stem cells ...
... patients in the study cohort receiving anti-tumour necrosis factor ... first cancer within nine years and overall risk was ... nine year follow-up study conducted at Gentofte University Hospital, ... was not increased in patients treated with anti-TNFs compared ...
Cached Biology News:Changes in brain circuitry play role in moral sensitivity as people grow up 2Changes in brain circuitry play role in moral sensitivity as people grow up 3MDC researchers discover key molecule for stem cell pluripotency 2Arthritis patients taking newer treatments do not have an overall increased cancer risk 2
(Date:4/30/2015)... , April 30, 2015  Pfenex Inc. (NYSE ... the development of biosimilar therapeutics including high value ... closing of its previously announced underwritten public offering ... a public offering price of $15.50 per share. ... underwriters of their option to purchase up to ...
(Date:4/30/2015)... FRANCE (PRWEB) April 30, 2015 ... and at http://www.lespausa.com , Fleur’s ... multi-action product combining the benefits of makeup, skin ... This subtly tinted cream is designed with specific ... for an even complexion and a healthy glow. ...
(Date:4/30/2015)... (PRWEB) April 30, 2015 Sterlitech ... ultrafiltration membranes, the PX, PY, and PZ ... sheets, and disks. Designed to be ideal ... new membranes can fill critical process requirements where ... downstream processes. , “New regulations on industrial wastewater ...
(Date:4/29/2015)... --  Doximity , the leading online medical network with ... announced a new, instant method for physicians to apply ... click, all US physicians can quickly submit their verified ... open job opportunity, and a recruiter will reach out ... of physicians are open to new jobs, and yet ...
Breaking Biology Technology:Pfenex Inc. Announces Closing of Public Offering of Common Stock and Full Exercise of Underwriters' Option to Purchase Additional Shares 2Fleur’s Introduces CC CRÈME Perfect Skin Solution 2Fleur’s Introduces CC CRÈME Perfect Skin Solution 3Sterlitech Offers New Ultrafiltration Membranes 2Doximity Offering Hospitals Easy, Efficient Physician Application Tool 2
... Jan. 3 Chimerix, Inc., a,biotechnology company developing ... M.B., Ch.B., FRCA, FFPM has joined the,company as ... Dr. Frazer served as the Chief Medical,Officer and ... where he was responsible for the design of ...
... Inc. (Nasdaq: ONXX ) today announced that ... Monday, January 7, at 11:30 a.m.,Pacific Time. Interested ... at:, http://www.metameetings.com/webcasts/jpmorgan/healthcare08 , It is ... in order to,register and download any necessary software. ...
... Inc. (Nasdaq:,CEPH) today announced that it has submitted ... and Drug Administration (FDA) requesting approval of,TREANDA(R) (bendamustine ... indolent B-cell non-Hodgkin,s lymphoma (NHL) who have progressed,during ... According to the National Cancer Institute, an estimated ...
Cached Biology Technology:Chimerix Appoints Neil Frazer, M.B., Ch.B., FRCA, FFPM as Chief Medical Officer 2Cephalon Submits New Drug Application for TREANDA for the Treatment of Patients with Relapsed Indolent Non-Hodgkin's Lymphoma 2Cephalon Submits New Drug Application for TREANDA for the Treatment of Patients with Relapsed Indolent Non-Hodgkin's Lymphoma 3Cephalon Submits New Drug Application for TREANDA for the Treatment of Patients with Relapsed Indolent Non-Hodgkin's Lymphoma 4
Bethyl Laboratories packages antibodies, conjugates and calibrators to provide quantitative ELISA kits. Each kit contains the following components, sufficient for 1000 single well assays....
Bethyl Laboratories packages antibodies, conjugates and calibrators to provide quantitative ELISA kits. Each kit contains the following components, sufficient for 1000 single well assays....
Bethyl Laboratories packages antibodies, conjugates and calibrators to provide quantitative ELISA kits. Each kit contains the following components, sufficient for 1000 single well assays....
Bethyl Laboratories packages antibodies, conjugates and calibrators to provide quantitative ELISA kits. Each kit contains the following components, sufficient for 1000 single well assays....
Biology Products: