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Coccolithophore calcification response to past ocean acidification and climate change

Anthropogenic carbon dioxide emissions are forcing rapid ocean chemistry changes and causing ocean acidification (OA), which is of particular significance for calcifying organisms, including planktonic coccolithophores. Detailed analysis...Show More Summary

Teasels and Scabious: the Dipsacaceae

Scabiosa cretica, copyright Ori Fragman Sapir. As recognised plant families go, the Dipsacaceae is not a particularly large one. It includes only a few hundred species, of which the majority are found in arid regions around the Mediterranean and the remainder elsewhere in Africa and Eurasia. Show More Summary

Alva Noë: Worry About the Singularity When Machines Match the Agency and Awareness of Amoeba

One reason I'm not worried about the possibility that we will soon make machines that are smarter than us, is that we haven't managed to make machines until now that are smart at all. Artificial intelligence isn't synthetic intelligence: It's pseudo-intelligence.This really ought to be obvious. Show More Summary

Japan Purchases Global Hawk, V-22 & E-2D

Japan has announced the selection of the Northrop Grumman RQ-4 Global Hawk for its high-altitude unmanned aerial vehicle (UAV) requirement and the Bell-Boeing V-22 Osprey for its tilt-rotor requirement.The Ministry of Defence (MoD) also...Show More Summary

Pakistan Confirms in Negotiations for Chinese FC-31 Stealth Fighter, Z-10 Attack Helicopter

Minister for Defence Production Rana Tanveer Hussain told Dawn on Friday the matter was being discussed with Chinese authorities.It is for the first time that a senior government functionary has confirmed talks with China over purchase...Show More Summary

Paleoenvironmental Evidence From Eocene Paleogene Messelchalk

Isotope compositions (C, O, Sr, Nd) of vertebrate fossils from the Middle Eocene oil shale of Messel, Germany: Implications for their taphonomy and palaeoenvironmentAuthor:TütkenAbstract:The Middle Eocene oil shale deposits of Messel...Show More Summary

Video: Watch the Incredible Migration of Thousands of Giant Spider Crabs in Australia

Spider crabs migrate across Port Phillip Bay in Australia. (Photo: Museum Victoria / YouTube) Australia is famous for its teeming, colorful biodiversity like sea turtles, giant clams, and coral, but it’s the Great Barrier Reef that often receives the most attention for its wildlife. Show More Summary

Enceladus Explorer: A Proposed Lander to Search for Life on Enceladus

A lander mission to probe subglacial water on Saturn?s moon Enceladus for lifeAuthors:Konstantinidis et alAbstract:The plumes discovered by the Cassini mission emanating from the south pole of Saturn?s moon Enceladus and the unique chemistry found in them have fueled speculations that Enceladus may harbor life. Show More Summary

Six surprising reasons to be thankful for the sea

The oceans provides us with most of the oxygen we breath, much of the food we eat, and even all the water we drink, which has passed countless times through the seas. There’s no shortage of reasons to be grateful for our blue planet, but I thought I’d take a quick moment to appreciate some of the […]

Volcanic Climate Forcing Stronger Than Expected

Total volcanic stratospheric aerosol optical depths and implications for global climate changeAuthors:Ridley et alAbstract:Understanding the cooling effect of recent volcanoes is of particular interest in the context of the post-2000 slowing of the rate of global warming. Show More Summary

Daohugoupterus delicatus: a new Pterosaur From Middle Jurassic Inner Mongolia

Short note on a non-pterodactyloid pterosaur from Upper Jurassic deposits of Inner Mongolia, ChinaAuthors:Cheng et alAbstract:Daohugou is an important locality of the Jurassic Yanliao Biota, where only two pterosaurs have been described so far (Jeholopterus and Pterorhynchus). Show More Summary

Oceana in Chile Submits Recommendations for Lowering Common Hake Catch Quotas

Hakes (Merluccius sp.) in a crate. (Photo: Oceana / LX) Last week, Oceana in Chile recommended that the Chilean government lower the total annual catch quota for common hake—a severely overexploited species— in 2015 by about 1,000 tons because of declines. Show More Summary

Ocean Roundup: Dolphins Use Whistles as Names, Conservationists Call for Removal of Queensland Shark Nets, and More

The Indo-Pacific bottlenose dolphin (Tursiops aduncus) is found to use whistles as names for individual dolphins. (Photo: Alexandre Roux / Flickr Creative Commons) - A new study has unlocked a key to dolphin communication: The Indo-Pacific...Show More Summary

Simorhinella baini: Examining the Morphology of a Lycosuchid Therocephalian From Middle Permain South Africa

Adult morphology of the therocephalian Simorhinella baini from the middle Permian of South Africa and the taxonomy, paleobiogeography, and temporal distribution of the Lycosuchidae Authors:Abdala et alAbstract:The Middle Permian tetrapod...Show More Summary

Mesozoic Miscellany 69

Newsie Bits ThinkGeek, the popular on-line retailer specializing in, appropriately enough, geeky gifts, recently began selling fossils. This resulted in criticism from paleontologists, and eventually ThinkGeek's decision to halt the sales, at least for a time. Show More Summary

Was the Cambrian Explosion Unique?

Trait-based diversification shifts reflect differential extinction among fossil taxaAuthors:Wagner et alAbstract:Evolution provides many cases of apparent shifts in diversification associated with particular anatomical traits. ThreeShow More Summary

A NeoArchean to PaleoProterozoic Marine Basin Found in India

Geochemical and Sm-Nd isotopic characteristics of the Late Archaean-Palaeoproterozoic Dhanjori and Chaibasa metasedimentary rocks, Singhbhum craton, E. India: Implications for provenance, and contemporary basin tectonicsAuthors:De et...Show More Summary

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