Navigation Links
Scientists Develop New Technology To Find About Human Ancestors’ Teet

Researchers from Johns Hopkins, the University of Arkansas, Worcester Polytechnic Institute //and other institutes have come together to develop a new way to examine the fossils of our ancestors’ teeth to predict how our diets have evolved through the ages and why.

By comparing teeth from two species of early humans, Australopithecus africanus and Paranthropus robustus, the researchers confirm previous evidence that A. africanus ate more tough foods, such as leaves, and P. robustus ate more hard, brittle foods. But they also revealed wear patterns suggesting that both species had variable diets. This new information implies that early humans evolved and altered their diet according to seasonal and other changes in order to survive said the researchers.

The new approach to studying dental microwear, the microscopic pits and scratches on the tooth surface caused by use, offers a more accurate measurement of the surface’s appearance and is described in the August 4 issue of Nature.

A team of scientists from the University of Arkansas and Worcester Polytechnic Institute developed the software, called “scale-sensitive fractal analysis,” to analyze fossilized tooth surfaces through a confocal microscope, which allows three-dimensional analysis of an object. The specimen is put in and the microscope is programmed to step down at fine intervals, perform its series of scans, and collect 3D coordinates for each data point. The result is like a map of the earth that shows mountains, valleys and plains in full relief, only at a microscopic scale.

As anticipated from traditional examination of fossilized teeth, the tooth surfaces of P. robustus were more pitted and complex, while those of A. africanus were more scratched, with features often running in more uniform directions. The study also revealed unexpected variability in the samples for each species and overlapping data for the two species. The researchers say this suggests that b
'"/>




Page: 1 2

Related medicine news :

1. Scientists plan human cloning clinic in the United States
2. Scientists found ancient Human Germ Killer
3. Scientists locate key hormone involved in appetite control
4. Scientists open the book of life
5. Scientists review SARS
6. Scientists crack dengue fever puzzle
7. Scientists push to lower hidden sodium in food
8. Indian Scientists Make Wide-Ranging Analysis And Annotation Of X Chromosome
9. Scientists have found effective brain regions for deep brain stimulation for Parkinson’s
10. Scientists reveal the secrets of sarcasm
11. Scientists Unveil Mechanism Behind Resistance to Severe Malaria
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Scientists Develop New Technology Find About Human Ancestors Teet

(Date:5/5/2015)... The global lab automation market is ... Million in 2014, at an estimated CAGR of 6.7% ... automation market on the basis of equipment and software, ... the basis of application, Lab Automation Market is classified ... solutions. Drug discovery is a major application of the ...
(Date:5/5/2015)... TX (PRWEB) May 05, 2015 ... selected C.R. Bard Inc., a leading multinational developer, ... in the fields of vascular, urology, oncology and ... 2015 Vanguard Award. The Vanguard Award recognizes ... employee wellness programs among Viverae’s significant client base. ...
(Date:5/5/2015)... (PRWEB) May 05, 2015 Dr. Patricia ... pulmonary hypertension (PH). A pulmonologist and pulmonary hypertension specialist ... was attending a work event when an initial idea ... “I was sitting in the audience at the 2010 ... team of healthcare providers – were recalling their climb ...
(Date:5/5/2015)... (PRWEB) May 05, 2015 In a April ... The Herald-Times , the Missouri State Highway Patrol (MSHP) ... Methamphetamine production or use for the second year in a ... to the FBI, reported 1,469 incidents in 2014 alone, around ... only around 2% of the US Population calls Indiana home, ...
(Date:5/5/2015)... 05, 2015 ProTexting, LLC – ... to deploy Mobile Engagement Campaigns and other Mobile solutions, ... clients can now leverage the power of Mobile Marketing ... syncing subscribers’ e-mail addresses into the Constant Contact Platform. ... that the growing trend of multi-channel marketing would become ...
Breaking Medicine News(10 mins):Health News:Global Lab Automation Market Forecast to 2020: Research Based on Equipment & Software, Applications, Type of Automation and End Users 2Health News:Global Lab Automation Market Forecast to 2020: Research Based on Equipment & Software, Applications, Type of Automation and End Users 3Health News:Global Lab Automation Market Forecast to 2020: Research Based on Equipment & Software, Applications, Type of Automation and End Users 4Health News:Global Lab Automation Market Forecast to 2020: Research Based on Equipment & Software, Applications, Type of Automation and End Users 5Health News:Viverae® Honors C. R. Bard, Inc. with 2015 Vanguard Award 2Health News:World PH Day: Team PHenomenal Hope Races to Spread the Word about Pulmonary Hypertension 2Health News:A Forever Recovery Releases New Information on the Epidemic Rise Of Methamphetamine Abuse in Midwest America 2Health News:ProTexting SMS Mobile Marketing platform integrates with Constant Contact 2Health News:ProTexting SMS Mobile Marketing platform integrates with Constant Contact 3
... Parents offered genetic testing to predict their risks of ... children. That is the finding of a new study ... online April 18). The study authors note these and ... chose predictive genetic tests for themselves and for their children, ...
... the first time, scientists have made star-shaped, biodegradable polymers ... the spheres are injected with cells into wounds, these ... new tissue. Developing this nanofiber sphere as ... of the cell is a very significant advance in ...
... Steven Reinberg HealthDay Reporter , FRIDAY, April 15 ... lies may be showing early signs of dementia, researchers from ... may help doctors diagnose which type of dementia a patient ... "The different dementia patients tended to have difficulty identifying ...
... Meat and poultry sold in the United States is widely ... bacteria that can cause serious illnesses in humans, a new ... to S. aureus range from mild skin infections ... In the new nationwide study, researchers analyzed 136 samples ...
... HealthDay Reporter , FRIDAY, April 15 (HealthDay News) -- Is ... in the Journal of the American Medical Association , ... suggested the latter when it found a reduced risk of ... therapy. This seemed to contradict years of cautions ...
... 15, 2011) Strains of genital herpes in Africa ... States, researchers at Harvard Medical School report, a striking ... preventing HIV transmission in a region staggered by the ... testing mouse model strains of the disease against vaccine ...
Cached Medicine News:Health News:Study: Parents likely to embrace predictive genetic testing for their children if offered 2Health News:Study: Parents likely to embrace predictive genetic testing for their children if offered 3Health News:Researchers inject nanofiber spheres carrying cells into wounds to grow tissue 2Health News:Inability to Spot Lies, Sarcasm May Warn of Dementia 2Health News:Inability to Spot Lies, Sarcasm May Warn of Dementia 3Health News:Drug-Resistant Staph Bacteria Found in Meat, Poultry Nationwide 2Health News:Drug-Resistant Staph Bacteria Found in Meat, Poultry Nationwide 3Health News:Estrogen's Role in Breast Cancer Can Fluctuate 2Health News:Estrogen's Role in Breast Cancer Can Fluctuate 3Health News:Genital herpes more virulent in Africa than in US 2Health News:Genital herpes more virulent in Africa than in US 3
(Date:5/5/2015)... , May 5, 2015   Temptime Corporation ... the health care industry, announced today that its board ... Hooff to chief executive officer.  Mr. Van ... Temptime since 2011. "Renaat deeply values Temptime,s ... outstanding job of expanding Temptime,s products and services to ...
(Date:5/5/2015)... 5, 2015 Silver Creek Pharmaceuticals, Inc. announced ... (SBIR) grant from the National Institute of Health (NIH). ... San Francisco based biotechnology company that discovers ... damaged by disease. This award will be used to ... tissue following a heart attack. Silver Creek,s ...
(Date:5/5/2015)... May 5, 2015 GW Pharmaceuticals plc ... a biopharmaceutical company focused on discovering, developing and ... platform, announced today the closing of the previously ... GW of 1,600,000 American Depositary Shares (ADSs) at ... proceeds of approximately $179.2 million (before deducting underwriting ...
Breaking Medicine Technology:Temptime President Renaat Van den Hooff Promoted to CEO 2Silver Creek Pharmaceuticals Awarded NIH SBIR Grant for Smart Growth Factor Technology 2GW Pharmaceuticals plc Announces the Closing of U.S. Public Offering of American Depositary Shares (ADSs) Raising Approximately $179.2 Million on the NASDAQ Global Market 2GW Pharmaceuticals plc Announces the Closing of U.S. Public Offering of American Depositary Shares (ADSs) Raising Approximately $179.2 Million on the NASDAQ Global Market 3GW Pharmaceuticals plc Announces the Closing of U.S. Public Offering of American Depositary Shares (ADSs) Raising Approximately $179.2 Million on the NASDAQ Global Market 4
... 2010 Phytomedics, Inc., a transformational healthcare company ... products solely derived from plant sources, announced today ... the amount of $244,000 under the Qualifying Therapeutic ... of its lead product PMI-001 for Rheumatoid Arthritis. ...
... Nov. 9, 2010 NewCardio, Inc. (OTC Bulletin Board: ... announced today that Dr. Samuel George, NewCardio,s Senior Medical ... a blinded "testing" dataset, conducted independently by the Cardiac ... to be held on December 9, 2010, at the ...
Cached Medicine Technology:Phytomedics, Inc. Awarded QTDP Grant from U.S. Department of Health and Human Services 2NewCardio to Present Results of QTinno Performance on Cardiac Safety Research Consortium Blinded 'Testing' Dataset 2NewCardio to Present Results of QTinno Performance on Cardiac Safety Research Consortium Blinded 'Testing' Dataset 3NewCardio to Present Results of QTinno Performance on Cardiac Safety Research Consortium Blinded 'Testing' Dataset 4
... This unique system uses prolene as thread-guide ... The hollow Ritleng Probe is inserted into the ... fed through it. The probe is then withdrawn ... mm 0.64 mm diam silicone tubing into place. ...
To maintain the conjunctival cul-de-sacs after enucleation or evisceration without hindering lid closure....
... Ultra-thin collarette conforms to natural anatomy ... Pre-loaded on disposable inserter/dilator instrument for ease ... Slim Mini and Slim Petite plugs offer ... The Slim plugs are made of the ...
For use with Crawford Intubation Systems....
Medicine Products: