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423 matches found for "fossils"

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Central Africa's tropical Congo Basin was arid, treeless in Late Jurassic

The Congo Basin — with its massive, lush tropical rain forest — was far different 150 million to 200 million years ago. At that time Africa and South America were part of the single continent Gondwana...

Earth Sciences | nachricht Read more
The bizarre lives of bone-eating worms

Californian researchers investigating the genetic history of Osedax worms have found that up to twelve further distinct evolutionary lineages exist beyond the five species already described. The new f...

Life Sciences | nachricht Read more
Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

In other words, a biological specimen determined by traditional DNA testing to be 100,000 years old may actually be 200,000 to 600,000 years old, researchers suggest in a new report in Trends in Genet...

Life Sciences | nachricht Read more
The last European hadrosaurs lived in the Iberian Peninsula

A few million years before the catastrophic event that led to the extinction of dinosaurs (with the exception of birds), several species of hadrosaurs coexisted in the Iberian Peninsula. This is what ...

Earth Sciences | nachricht Read more
Male sabertoothed cats were pussycats compared to macho lions

Commonly called the sabertoothed tiger, Smilodon fatalis was a large predatory cat that roamed North and South America about 1.6 million to 10,000 years ago, when there was also a prehistoric cat call...

Studies and Analyses | nachricht Read more
Scientists Propose a "Genome Zoo" of 10,000 Vertebrate Species

Known as the Genome 10K Project, it involves gathering specimens of thousands of animals from zoos, museums, and university collections throughout the world, and then sequencing the genome of each spe...

Life Sciences | nachricht Read more
Seafloor Fossils Provide Clues on Climate Change

Assistant Professor of Earth and Environmental Sciences at Rensselaer Polytechnic Institute Miriam Katz has spent the past two decades studying these ancient, deep-sea fossils to reconstruct the clima...

Earth Sciences | nachricht Read more
Scientists Propose A 'Genome Library' Of 10,000 Vertebrate Species

Known as the Genome 10K Project, it involves gathering specimens of thousands of animals from zoos, museums, and university collections throughout the world, and then sequencing the genome of each spe...

Life Sciences | nachricht Read more
The terrible teens of T. rex

We all know adolescents get testy from time to time. Thank goodness we don't have young tyrannosaurs running around the neighborhood.In a new scientific paper, researchers from Northern I...

Earth Sciences | nachricht Read more
The largest bat in Europe inhabited northeastern Spain more than 10,000 years ago

The Greater Noctule fossils found in the excavation site at Abríc Romaní (Barcelona) prove that this bat had a greater geographical presence more than 10,000 years ago than it does today, having decli...

Earth Sciences | nachricht Read more
Snail fossils suggest semiarid eastern Canary Islands were wetter 50,000 years ago

Isotopic measurements performed on fossil land snail shells resulted in oxygen isotope ratios that suggest the relative humidity on the islands was higher 50,000 years ago, then experienced a long-ter...

Earth Sciences | nachricht Read more
Arctic Sediments Show That 20th Century Warming Is Unlike Natural Variation

The possibility that climate change might simply be a natural variation like others that have occurred throughout geologic time is dimming, according to evidence in a Proceedings of the National Acade...

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Ethiopia 27 million years ago had higher rainfall, warmer soil

Neil J. Tabor, associate professor of Earth Sciences at SMU and an expert in sedimentology and isotope geochemistry, calculated past climate using oxygen and hydrogen isotopes in minerals from fossil ...

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Plant fossils give first real picture of earliest Neotropical rainforests

Researchers from the Smithsonian Institution and UF, among others, found that many of the dominant plant families existing in today’s Neotropical rainforests — including legumes, palms, avocado and ba...

Earth Sciences | nachricht Read more
New type of flying reptile discovered

An international group of researchers from the University of Leicester (UK), and the Geological Institute, Beijing (China) have identified a new type of flying reptile – providing the first clear evid...

Earth Sciences | nachricht Read more
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