Navigation Links
Ardi displaces Lucy as oldest hominid skeleton
Date:10/1/2009

and teeth, and scanning electron microscopes were used to study the structure and surface details. The 5,000 micro-CT slices through the broken skull allowed the team to reconstruct it on a computer and then "print" it on a 3-D stereolithic printer at the University of Tokyo. A cast of Ardi's skull, along with video and comparisons, can be seen now in the Human Evolution display on the second floor of UC Berkeley's Valley Life Sciences Building.

In all, 47 scientists from 10 countries contributed to the 11 Science papers, providing detailed analyses of the feet, pelvis, teeth and general anatomy of Ar. ramidus and reconstructions of the geology and biology of the area where Ardi lived 4.4 million years ago. Two of the papers analyze more than 150,000 plant and animal fossils including 6,000 individually catalogued vertebrate fossils to reconstruct the large and small mammals and birds of the area. Among these are 20 species new to science, including shrews, bats, rodents, hares and carnivores.

"We had to do a lot of work to bring this world back to life, but by merging the skeletal information with the data on biology and geology, we end up with a very, very high-resolution snapshot of Ardi's world," White said. "It was a very cold case investigation."

CTs of the tooth enamel, for example, revealed that Ardi was an omnivore, eating a diet different from that of living African apes, such as chimps, which eat primarily fruit, and gorillas, which eat primarily leaves, stems and bark. The team suggests that Ardipithecus spent a lot of time on the ground looking for nutritious plants, mushrooms, invertebrates and perhaps small vertebrates.

It wasn't until 1 million years after Ardi that hominids like Lucy were able to range extensively into the savannas and develop the robust premolar and molar teeth with thick enamel needed to eat hard seeds and roots. One of these species then started scavenging and using stone tools
'/>"/>

Contact: Robert Sanders
rsanders@berkeley.edu
510-643-6998
University of California - Berkeley
Source:Eurekalert

Page: 1 2 3 4 5

Related biology news :

1. Kent State University Professor C. Owen Lovejoy helps unveil oldest hominid skeleton
2. 4,000-year-old coral beds among worlds oldest living things, prof says
3. Researchers uncover worlds oldest fossil impression of a flying insect
4. Worlds oldest living tree discovered in Sweden
5. Antarcticas coldest, darkest season draws Montana State University researchers
6. Oldest Australian crayfish fossils provide missing evolutionary link
7. The worlds oldest bacteria
8. The last supper of the hominids establishes the times they lived at the sites
9. Toothsome research: Deducing the diet of a prehistoric hominid
10. New species discovered on whale skeletons
11. Of mice and men: similarities between skeletons of both
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/26/2014)... of a pen a New Zealand endemic tree has for ... a group of ,weedy, Australian shrubs and small trees. A ... some surprises and discover astonishing cryptic diversity behind what was ... in the open access journal PhytoKeys . ... species was one of the many discoveries made in the ...
(Date:8/26/2014)... -- Unregulated trash burning around the globe is pumping ... official records. A new study led by the National ... percent of the world,s garbage is burned in such ... human health and climate change. , The new study ... of pollutants such as particulates, carbon monoxide, and mercury ...
(Date:8/26/2014)... has recommended investing in dog owner education and facilities as ... obesity in both people and their pets. , In a ... that access to dog-friendly walking environments and better education about ... and take more exercise with their pets. , It is ... for a walk. In the UK, almost a quarter of ...
Breaking Biology News(10 mins):And then there were 10 -- unexpected diversity in New Zealand kanuka genus Kunzea 2And then there were 10 -- unexpected diversity in New Zealand kanuka genus Kunzea 3Trash burning worldwide significantly worsens air pollution 2Trash burning worldwide significantly worsens air pollution 3Education and dog-friendly neighbourhoods could tackle obesity 2
... at the ends of linear chromosomes, have an important ... Researchers at Rockefeller University now show that telomeres have ... genome called fragile sites where DNA replication can stall ... from falling apart is a protein that ensures the ...
... Iron and manganese compounds, in addition to sulfate, ... carbon dioxide and eventually carbonates in the Earth,s oceans, ... sediments. These same compounds may have been key to ... planet,s atmosphere. "We used to believe that microbes ...
... ecosystems are at risk worldwide as a result of human ... recently published a study in the Journal of Conservation ... of all coastal areas of the world. "Resource management ... impacts from human activities, from the land, such as urban ...
Cached Biology News:Telomeres resemble DNA fragile sites 2Methane-eating microbes can use iron and manganese oxides to 'breathe' 2New study ranks 'hotspots' of human impact on coastal areas 2
(Date:8/26/2014)... -- That,s Nice LLC, a research-focused strategic marketing agency dedicated ... a new dedicated team that will support clients with ... current and new staff in both market research and ... Guy Tiene has been hired as Director ... previously Director of Marketing for Royal DSM,s Pharmaceutical Products ...
(Date:8/26/2014)... InstantGMP, Inc., the only cloud-based manufacturing execution software ... with increased user accounts to help current and future ... 11 requirements. , “We want to help our customers ... Rick Soltero, President of InstantGMP. “We found that ... have separate accounts for multiple quality managers and other ...
(Date:8/26/2014)... (PRWEB) August 26, 2014 Formedix, ... today announced the release of Transform for MARVIN: ... Electronic Data Capture (EDC) product line. It was ... and allows integration with MARVIN, the EDC and ... reducing study setup time, by allowing instantaneous visualization ...
(Date:8/26/2014)... 26, 2014 /PRNewswire-iReach/ -- The crowdfunding campaign for ... effect on the popular crowdfunding platform Kickstarter. Backers have ... the biofeedback belt. The $75,000 funding goal for the ... the product. Photo - http://photos.prnewswire.com/prnh/20140825/139254 ... on the lower back that silently vibrates if the ...
Breaking Biology Technology:That's Nice Announces Expanded Offering For Strategic Content And Public Relations 2That's Nice Announces Expanded Offering For Strategic Content And Public Relations 3Introducing Transform for MARVIN: Providing Further Flexibility for CROs and Sponsors in Partnership with XClinical 2PosturePulse, A Biofeedback Posture-Improving Belt, Improves Posture While Sitting or Standing 2
... of the year, and I have talked less about music this ... this column is bring back more music (hopefully something blue, rock, ... not gone to as many concerts this past year, or bought ... ,Looking over 2006, my focus has been more on biotech's international ...
... Madison, Wis. - Third Wave Technologies, Inc . ... provide it with $14.9 million through the private placement of ... for general corporate purposes. , ,According to Third Wave, ... its common stock at an initial conversion price of $6 ...
... Wis. - Sami Saydjari could serve as an inspiration ... business, but his four-year-old venture is no ordinary consulting company. ... million annual business called the Cyber Defense Agency ... helping the United States defend itself against cyber attacks. , ...
Cached Biology Technology:2006: A great biotech financing year, unless you were going public! 22006: A great biotech financing year, unless you were going public! 32006: A great biotech financing year, unless you were going public! 42006: A great biotech financing year, unless you were going public! 5Internet security is big business for Wisconsin Rapids firm 2Internet security is big business for Wisconsin Rapids firm 3Internet security is big business for Wisconsin Rapids firm 4
... through the extracellular matrix (ECM) is an ... cells initiate invasion by adhering to and ... Proteolytic enzymes, such as MMP collagenases, dissolve ... membrane) surrounding the blood vessels to allow ...
... Cell Invasion Assay is designed to determine ... as a significant barrier to invasion or ... in a convenient, high-throughput, 96-well format. The ... all types of adherent cells such as ...
... and reproducible immunoprecipitation (IP) by using a 96 ... than regular IPs, which are problematic with regards ... the agarose bed. The binding of the antibody/antigen ... elution of the immune complex can occur with ...
... The GrabIt™ Kits are designed for the ... using a pull-down method. Proteins that interact ... fusion proteins are copurified using affinity ... are retained on a spin filter. The ...
Biology Products: