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Author Topic: New developments in the field of science  (Read 417027 times)

T40cfr403

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Re: New developments in the field of science
« Reply #780 on: December 01, 2016, 08:18:06 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #781 on: December 01, 2016, 08:21:26 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #782 on: December 01, 2016, 08:37:42 PM »
Department of Wildlife and Fisheries Sciences Job Board

Northern Goshawk and Spotted Owl Tracking Field Technician: California

http://wfscjobs.tamu.edu/jobs/northern-goshawk-and-spotted-owl-tracking-field-technician-california/
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #783 on: December 01, 2016, 08:46:36 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #784 on: December 02, 2016, 08:19:13 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #785 on: December 02, 2016, 10:23:05 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #786 on: December 05, 2016, 07:59:53 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #787 on: December 07, 2016, 06:45:31 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #788 on: December 07, 2016, 06:46:26 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #789 on: December 07, 2016, 06:47:21 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #790 on: December 07, 2016, 10:47:10 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #791 on: December 08, 2016, 06:51:53 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #792 on: December 08, 2016, 06:53:00 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #793 on: December 08, 2016, 06:58:36 PM »
First Dinosaur Tail Found Preserved in Amber

"To scientists' delight, the incredible appendage from 99 million years ago is covered in feathers."

http://news.nationalgeographic.com/2016/12/feathered-dinosaur-tail-amber-theropod-myanmar-burma-cretaceous/

Paper: A Feathered Dinosaur Tail with Primitive Plumage Trapped in Mid-Cretaceous Amber

http://www.cell.com/current-biology/fulltext/S0960-9822(16)31193-9



« Last Edit: December 08, 2016, 07:02:11 PM by T40cfr403 »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
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T40cfr403

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Re: New developments in the field of science
« Reply #794 on: December 08, 2016, 07:24:44 PM »
Study finds less fragmentation in muzzleloading and black powder cartridge rifles

http://phys.org/news/2016-12-fragmentation-muzzleloading-black-powder-cartridge.html

Paper: Estimating Lead Fragmentation from Ammunition for Muzzleloading and Black Powder Cartridge Rifles

http://www.fwspubs.org/doi/10.3996/092015-JFWM-086?code=ufws-site

"Our findings suggest that round balls for muzzleloaders and black powder cartridge bullets may leave far fewer lead fragments in game than the conical muzzleloader bullet or modern high-velocity rifle bullet we tested, and thus could pose a lower risk of secondary lead poisoning for humans and wildlife."



Types of rifle ammunition and components (listed left to right in each photograph) used in lead fragmentation tests and big game hunting, including a) traditional muzzleloader ammunition with percussion cap, patch, lead round ball, and black powder; b) modern .30-06 with jacketed soft-point lead core bullet, cartridge case, smokeless powder, and loaded cartridge; c) modern muzzleloader ammunition including percussion cap, black powder, and conical Buffalo Bullets; d) .45-70 black powder cartridge with bullet (lubricant removed), cartridge case, black powder, and loaded cartridge; e) modern lead-free muzzleloader bullet (Barnes) made of copper with a plastic sabot (not included in these tests); and f) Barnes lead-free muzzleloader bullet showing expansion after firing (not included in these tests). We also tested .45-70 cartridges loaded with smokeless powder but do not depict them due to similarity with (d).
« Last Edit: December 08, 2016, 07:33:12 PM by T40cfr403 »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring