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Study solves mystery of how first animals appeared on Earth

2017-08-16 06:00:00| LifeSciencesWorld

[NEWS] Research led by The Australian National University (ANU) has solved the mystery of how the first animals appeared on Earth, a pivotal moment for the planet without which humans would not exist. Lead researcher Associate Professor Jochen Brocks said the team found the answer in ancient sedimentary rocks from central Australia. “We crushed these rocks to powder and extracted molecules of ancient organisms from them,” said Dr Brocks from the ANU Research Sc…


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Human-caused warming likely led to recent streak of record-breaking temperatures

2017-08-10 06:00:00| LifeSciencesWorld

[NEWS] WASHINGTON D.C. - It is “extremely unlikely” 2014, 2015 and 2016 would have been the warmest consecutive years on record without the influence of human-caused climate change, according to the authors of a new study. Temperature records were first broken in 2014, when that year became the hottest year since global temperature records began in 1880. These temperatures were then surpassed in 2015 and 2016, making last year the hottest year ever recorded. In 2016, the…

Tags: recent led warming temperatures

Category: Biotechnology and Pharmaceuticals
 

Environmental policy, pollution and economic growth

2017-08-09 06:00:00| LifeSciencesWorld

[NEWS] As the global population continues to urbanize in pursuit of a higher quality of life, the need to investigate the trade-off between the economic benefits and environmental costs of urbanization has never been greater. More than half of the world's population currently lives in urban areas, and the United Nations projects another 2.5 billion people will move to cities by 2050. While firms cluster in cities to recruit talent and realize higher productivity gains, how pollution scal…

Tags: policy growth economic environmental

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Damming and its effects on fish

2017-08-09 06:00:00| LifeSciencesWorld

[NEWS] IMAGE: Adult alewife that was transported above impassable barriers and released into Potanipo Lake, NH. Adult alewife spawn in freshwater lakes before returning to the ocean. Credit: Steven Mattocks Fish that migrate between freshwater and sea ecosystems play…

Tags: on effects fish

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Warm periods in the 20th century are not unprecedented during the last 2,000 years

2017-08-08 06:00:00| LifeSciencesWorld

[NEWS] A great deal of evidence relating to ancient climate variation is preserved in proxy data such as tree rings, lake sediments, ice cores, stalagmites, corals and historical documents, and these sources carry great significance in evaluating the 20th century warming in the context of the last two millennia. Prof. Quansheng Ge and his group from the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, collected a large number of proxie…

Tags: the last years century

Category: Biotechnology and Pharmaceuticals
 

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