Navigation Links
Climate -- no smoking gun for Neanderthals
Date:9/13/2007

Questions remain unresolved as to whether the Neanderthals died out because of competition with modern people or because of deteriorating climatic conditions. Although scientists have gained increased knowledge of past climate it has been difficult to pinpoint the climatic character at the time of the Neanderthal disappearance. A new study by an international team of researchers, published this week in the prestigious journal Nature, has developed a breakthrough approach to address this issue (Nature, September 13, 2007).

"Our findings suggest that there was no single climatic event that caused the extinction of the Neanderthals" says palaeoanthro-pologist Katerina Harvati. Only a controversial date for very late Neanderthal survival places their disappearance just before a major environmental shift. "Even in this case" continues Harvati "the role of climate would have been indirect, perhaps promoting competition with other human groups".

"There are three main limitations to understanding the role of climate in the Neanderthal extinction" explains palaeoecologist Chronis Tzedakis: uncertainty over the exact timing of the Neanderthal disappearance; uncertainties in converting radiocarbon dates to actual calendar years; and the chronological imprecision of the ancient climate record. "Our novel method circumvents the last two problems" adds palaeoclimatologist Konrad Hughen. "We were therefore able to provide a much more accurate picture of the climatic background at the time of the Neanderthal disappearance". "More generally," continues Hughen "our approach offers the huge potential to unravel the role of climate in critical events of the recent fossil record as it can be applied to any radiocarbon date from any deposit".

The new method was applied by the researchers to three possible dates for the Neanderthal extinction obtained from Gorham's cave, Gibraltar - a site thought to have been occupied by some of the latest surviving Nea
'/>"/>

Contact: Dr. Katerina Harvati
harvati@eva.mpg.de
49-341-355-0358
Max-Planck-Gesellschaft
Source:Eurekalert

Page: 1 2

Related biology news :

1. Scientists find fossil proof of Egypts ancient climate
2. Small species back-up giant marsupial climate change extinction claim
3. Africa to take it on chin again with climate change
4. Ocean climate predicts elk population in Canadian Rockies
5. Deep sea algae connect ancient climate, carbon dioxide and vegetation
6. Climate model links higher temperatures to prehistoric extinction
7. Climate experts search for answers in the oceans
8. York scientists warn of dramatic impact of climate change on Africa
9. New markers of climate change
10. Disappearing arctic lakes linked to climate change
11. Field tested: Grasslands wont help buffer climate change as carbon dioxide levels rise
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/17/2014)... Va. , Dec. 15, 2014 The Defense ... easier to detect and prevent counterfeit microcircuits from entering ... started performing an in-house microcircuit anti-counterfeit initiative dubbed DNA ... microcircuits while increasing their reliability throughout the supply chain. ...
(Date:12/17/2014)... Dec. 16, 2014 Valencell, a leader in performance ... technology to industry leaders such as Intel, Jabra, Atlas, ... biometric wearable products. These products will be showcased at ... Las Vegas . "Our partners ...
(Date:12/17/2014)... DENVER , Dec. 16, 2014  Automation is fundamentally ... evident than at international borders. Over the past decade, ... veteran travelers to self process through border control via ... increasing number of airports, seaports, and land borders across ...
Breaking Biology News(10 mins):Defense Logistics Agency Launches DNA Marking Capability to Strengthen Microcircuit Supply Chain 2Defense Logistics Agency Launches DNA Marking Capability to Strengthen Microcircuit Supply Chain 3Valencell PerformTek Biometrics Power the Most Accurate Wearables at CES 2015 2Automated Border Control (ABC) Transforms the Global Travel Experience With More Than 2500 ABC eGates and APC Kiosks Deployed In Airports, Seaports, and Land Borders Worldwide 2
... suppression therapy to prevent T cell-mediated rejection. These ... undesirable side effects. Therefore, specific suppression of the ... needed. , It was known that anergic T ... to antigen stimulation) generated in an artificial environment ...
... culprits in delivering pollutants ?through their guano ?to seemingly ... The most common form of wildlife in the Arctic, ... contaminants to some coastal ecosystems, the researchers found. "The ... mercury and DDT to as much as 60 times ...
... biggest questions in modern oceanography is how animals in ... at the Monterey Bay Aquarium Research Institute (MBARI) recently ... least for animals that live on the deep seafloor ... of hours of deep-sea video, Bruce Robison and his ...
Cached Biology News:Industrial contaminants spread by seabirds in High Arctic, new Canadian study shows 2'Sinkers' provide missing piece in deep-sea puzzle 2'Sinkers' provide missing piece in deep-sea puzzle 3'Sinkers' provide missing piece in deep-sea puzzle 4
(Date:1/22/2015)... January 22, 2015 The laboratory information ... has witnessed a number of technological advancements due to ... requirements, growing need to integrate healthcare systems, and increasing ... challenges in system integration. Key players in the market ...
(Date:1/22/2015)... Pipette.com has added the Eppendorf Centrifuge ... of Eppendorf products. , The Eppendorf Centrifuge 5424/5424 R ... R and receive the following:, ,     Free ... Eppendorf Reference 2 ,     3 Free boxes ...
(Date:1/22/2015)... Controlled Substance Compliance Services (CSCS), a project managed ... legal requirements around using controlled substances in pharmaceutical research, ... their international operations expand and become increasingly complex, large ... a result of the first phase of the CSCS ...
(Date:1/22/2015)... 22 de enero de 2015  El Dr. Paul ... llamada a nominaciones para 2015. Este prestigioso premio reconoce ... tiene el potencial para hacer, contribuciones destacadas para la ... hasta el 15 de marzo de 2015 a través ...
Breaking Biology Technology:Laboratory Information Management Systems Market is Expected to Reach $1,323.6 Million by 2019 - New Research Report by MarketsandMarkets 2Laboratory Information Management Systems Market is Expected to Reach $1,323.6 Million by 2019 - New Research Report by MarketsandMarkets 3Laboratory Information Management Systems Market is Expected to Reach $1,323.6 Million by 2019 - New Research Report by MarketsandMarkets 4Eppendorf Announces Promotional Bundle Which Includes: Eppendorf Centrifuge 5424, 3-Pack of Pipettes, and Tips - Available Now at Pipette.com 2Global Compliance Service for Controlled Substances to Expand to China 2El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 2El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 3El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 4
... $2.25 to $2.35., ST. LOUIS, Oct. 23 , HIGHLIGHTS:, ... periods in 2006):, -- Strongest Quarterly Sales Growth in 2007: ... prior quarters, performance, with reported quarterly growth ... high sales achieved in Q2 2007. Organic ...
... Roche Releases Positive Phase I Results for R1507, ... positive results from a Phase I study of R1507 ... R1507 is a human,monoclonal antibody targeting the insulin-like growth ... Genmab. Nine of 34 adult patients with solid ...
... Va., Oct. 23 PRA International,(Nasdaq: PRAI ) ... of therapeutic expertise and a specialist in oncology and,hematology, ... in oncology on Thursday, Nov. 8, 2007 at 11:30 ... Berger will,recommend ways to mitigate risk in terms of ...
Cached Biology Technology:Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 2Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 3Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 4Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 5Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 6Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 7Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 8Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 9Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 10Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 11Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 12Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 13Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 14Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 15Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 16Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 17Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 18Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 19Sigma-Aldrich (Nasdaq: SIAL) Q3 2007 Sales Increase 14.0%, Yielding Diluted EPS of $.54. 20Phase I Results Announced for R1507 From Genmab's Collaboration With Roche 2Phase I Results Announced for R1507 From Genmab's Collaboration With Roche 3PRA International to Present Audioconference on Oncology Research - Nov. 8 2
EGTA, 50 g. Ethylene glycol-O,O-bis-[2-amino-ethyl]-N,N,N,N,-tetraacetic acid.Assay: > 99.0%. Category: Nucleotides & Enzymes & Biochemicals, Ultrapure Biochemicals ....
Request Info...
RABBIT ANTI NEOPTERIN...
... Dog serum is collected from fasted mixed breed, ... Available Anticoagulants: N-02: Citrate ... K2EDTA N-08: Potassium Oxalate N-10: ... N-05: ACD N-07: CPD ...
Biology Products: