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Tag: "unearthed" at biology news

Small species back-up giant marsupial climate change extinction claim

...y burning the landscape. The findings, which were unearthed with the help of amateur fossil hunter, Ian Sobbe, are of particular significance because the Darling Downs fossil deposits are among the youngest Australian megafauna deposits - laid down on the cusp of the extinction event. PhD researcher Gilbert ...

Restaurant seafood prices since 1850s help plot marine harvests through history

... backward from the baseline of the present, HMAP's unearthed records from fossils to fish taxes give a head start to detecting and managing future trends. The "Oceans Past Conference," organized by The History of Marine Animal Populations (HMAP) project component of the Census of Marine Life, will probe how t...

Marsupial genome reveals insights into mammalian evolution

...zation is closer to fish and birds. "The clues we unearthed by looking at different genomes are also helping us to understand how our own intricate immune system evolved from the relatively simple immune system seen in lower vertebrates such as birds and fish," says Belov. "Interest in marsupial and monotrem...

Typhoid fever led to the fall of Athens

...e and spread of this epidemic. A mass burial pit unearthed in the Kerameikos ancient cemetery of Athens and dated back to the time of the historical outbreak, provided the required skeletal material for the investigation of ancient microbial DNA. Aided by modern DNA recovery and amplification techniques, Pa...

Study finds how organs monitor themselves during early development

...d to the ovary, since the mechanism the scientists unearthed sheds light on how an organ--any organ in the body--grows. This work, says Dr. Lehmann, "has established a paradigm that can now be tested for the development of other organs and in other organisms, including the mouse. Eventually findings in model o...

Ancient birds flew on all-fours

... Since then, eight additional specimens have been unearthed and Archaeopteryx is considered the best evidence that birds evolved from dinosaurs since it had both feathers and a bird-like wishbone, along with classic reptilian features of a long bony tail, claws and teeth. Although scientists immediately noti...

Researchers give name to ancient mystery creature

...mination of tooth and jaw fragments that have been unearthed over the past 30 years, the University of Alberta ... The first dental specimens of the creature were unearthed by University of Alberta paleontologists 30 years ago from the banks of the Blindman River in Albert...

Tiny bones rewrite textbooks

...nd animal unlike any other mammal known. They were unearthed from the rich St Bathans fossil bed, in the Central Otago region of South Island. But the real shock to scientists was that it was there at all: until now, decades of searching had shown no hint that furry, warm-blooded animals had ever trodden on ...

DNA ends: Common tool, different job

...the Salk Institute for Biological Studies have now unearthed a novel RPA-like complex that specifically homes in on the short single-stranded DNA "tail" end of yeast chromosomes. Their findings, reported in the online edition of Nature Structural & Molecular Biology, will help scientists to better underst...

Paleontologists discover new mammal from Mesozoic Era

...i after the Yan Mountains in Hebei, the fossil was unearthed in the fossil-rich beds of the Yixian Formation and is the first Mesozoic mammal recovered from Hebei. The fossil site is about 300 kilometers outside of Beijing. The researchers discovered that the skull of Yanoconodon revealed a middle ear struc...

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