منابع مشابه
The oldest fossil mushroom
A new fossil mushroom is described and illustrated from the Lower Cretaceous Crato Formation of northeast Brazil. Gondwanagaricites magnificus gen. et sp. nov. is remarkable for its exceptional preservation as a mineralized replacement in laminated limestone, as all other fossil mushrooms are known from amber inclusions. Gondwanagaricites represents the oldest fossil mushroom to date and the fi...
متن کاملFossil genes and microbes in the oldest ice on earth.
Although the vast majority of ice that formed on the Antarctic continent over the past 34 million years has been lost to the oceans, pockets of ancient ice persist in the Dry Valleys of the Transantarctic Mountains. Here we report on the potential metabolic activity of microbes and the state of community DNA in ice derived from Mullins and upper Beacon Valleys. The minimum age of the former is ...
متن کاملThe oldest fossil of a melittid bee (Hymenoptera: Apiformes) from the early Eocene of Oise (France)
Phylogenetic relationships among and within major groups of bees are still poorly resolved. The main gap is the identification of the basal branch of bee phylogeny. In this context, more information is needed about the early fossil record of bees. Here, we describe Palaeomacropis eocenicus gen. nov. sp. nov. , discovered in early Eocene amber of Oise (France). It is the oldest record of Melitti...
متن کاملTuberculosis & traditional medicine: fighting the oldest infectious disease, using the oldest source of medicine
It is believed that tuberculosis has been killing human beings for over 4000 years. Several reports exist of ancient Egyptian mummies having signs of tubercular decay in their bodies. After the discovery of powerful anti-TB drugs such as streptomycin, isoniazid and rifampin during 1940-70s, it was thought that TB would be gone from the face of the earth, but tuberculosis still remains one of th...
متن کاملCorrection to ‘Oldest fossil remains of the enigmatic pig-footed bandicoot show rapid herbivorous evolution’
[This corrects the article DOI: 10.1098/rsos.160089.].
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ژورنال
عنوان ژورنال: Nature
سال: 1999
ISSN: 0028-0836,1476-4687
DOI: 10.1038/21349