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Today: 20 October 2020, Tuesday.

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News for Archaeology & History





#1

 

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Description Pointy-eared kitty sprawls for 121 feet across a hillside in the Nazca desert.

#Archaeology & History
Field # Archaeology & History
Updated 19 October 2020

#2

 

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Description The fossilised remains of ancient deep-sea corals may act as time machines providing new insights into the effect the ocean has on rising CO2 levels, according to new research carried out by the Universities of Bristol, St Andrews and Nanjing and published in Science Advances. Rising CO2 leve

#Archaeology & History
Field # Archaeology & History
Updated 19 October 2020

#3

 

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Description TBD

#Archaeology & History
Field # Archaeology & History
Updated 19 October 2020

#4

 

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Description TBD

#Archaeology & History
Field # Archaeology & History
Updated 19 October 2020

#5

 

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Description A nearly mile-long set of tracks across the playa of the desert Southwest reveals the journey of a caregiver and a toddler more than 10,000 years ago.

#Archaeology & History
Field # Archaeology & History
Updated 18 October 2020

#6

 

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Description TBD

#Archaeology & History
Field # Archaeology & History
Updated 18 October 2020

#7

 

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Description Human prints found in a dried-up New Mexico lakebed tell a dramatic story of perseverance.

#Archaeology & History
Field # Archaeology & History
Updated 16 October 2020

#8

 

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Description Sodium sulfur batteries require efficient sulfur hosts that can capture soluble polysulfides and enable fast reduction kinetics. Herein, we design hollow, polar and catalytic bipyramid prisms of cobalt sulfide as efficient sulfur host for sodium sulfur batteries. Cobalt sulfide has interwoven surfaces with wide internal spaces that can accommodate sodium polysulfides and withstand volumetric expansion. Furthermore, results from in/ex-situ characterization techniques and density functional theory calculations support the significance of the polar and catalytic properties of cobalt sulfide as hosts for soluble sodium polysulfides that reduce the shuttle effect and display excellent electrochemical performance. The polar catalytic bipyramid prisms sulfur@cobalt sulfide composite exhibits a high capacity of 755 mAh g−1 in the second discharge and 675 mAh g−1 after 800 charge/discharge cycles, with an ultralow capacity decay rate of 0.0126 % at a high current density of 0.5 C. Additionally, at a high mass loading of 9.1 mg cm−2, sulfur@cobalt sulfide shows high capacity of 545 mAh g−1 at a current density of 0.5 C. This study demonstrates a hollow, polar, and catalytic sulfur host with a unique structure that can capture sodium polysulfides and speed up the reduction reaction of long chain sodium polysulfides to solid small chain polysulfides, which results in excellent electrochemical performance for sodium-sulfur batteries. Sodium sulfur batteries require efficient sulfur hosts that can capture soluble polysulfides and enable fast reduction kinetics. Here, authors report hollow catalytic bipyramid prism CoS2/C as efficient sulfur carriers, and investigate the reaction mechanism in the sodium sulfur battery.

#Archaeology & History
Field # Archaeology & History
Updated 16 October 2020

#9

 

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Description Two tiny embryonic tyrannosaur fossils may shed light on how these apex predators hatched, ate and grew.

#Archaeology & History
Field # Archaeology & History
Updated 16 October 2020

#10

 

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Description Scientists have discovered a new species of pterosaur, which is unlike any other pterosaur seen before, due to its long, slender, toothless beak. Leptostomia begaaensis was a similar size to a turkey and used its distinctive beak to probe dirt and mud for hidden prey. The fossilised piece of the

#Archaeology & History
Field # Archaeology & History
Updated 15 October 2020

#11

 

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Description Homotherium, a sabre-toothed cat that lived in the Americas and Eurasia during the most recent ice age, was a swift and social predator, according to its genes

#Archaeology & History
Field # Archaeology & History
Updated 15 October 2020

#12

 

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Description (Inside Science) -- Balls found in the ancient graves of horse riders in northwestern China reveal evidence of a 3,000-year-old sport. These fist-sized balls, made of leather and filled with hair and other soft material, predate any balls found in Eurasia so far.“It is likely that the three balls were used in a team sport,” said Patrick Wertmann, an archeologist at the

#Archaeology & History
Field # Archaeology & History
Updated 15 October 2020

#13

 

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Description About 40 million years ago, the ancient relatives of sea cows swam through what is now an Egyptian desert.

#Archaeology & History
Field # Archaeology & History
Updated 15 October 2020

#14

 

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Description Old Faithful, the famed geyser in Yellowstone National Park, erupts with such captivating regularity, they named the whole gushing spring after it.

#Archaeology & History
Field # Archaeology & History
Updated 14 October 2020

#15

 

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Description A massive World War II bomb exploded during a delicate operation on Tuesday to defuse the five-tonne device in a channel near the Baltic Sea but no one was harmed, Polish officials said.

#Archaeology & History
Field # Archaeology & History
Updated 13 October 2020

#16

 

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Description TBD

#Archaeology & History
Field # Archaeology & History
Updated 13 October 2020

#17

 

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Description Hampered by cautious investors and a rigid corporate culture, Japan has produced just a handful of major start-ups. But there are signs that could be changing, industry insiders say.

#Archaeology & History
Field # Archaeology & History
Updated 13 October 2020

#18

 

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Description TBD

#Archaeology & History
Field # Archaeology & History
Updated 13 October 2020

#19

 

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Description Pioneering analysis of 200 million-year-old teeth belonging to the earliest mammals suggests they functioned like their cold-blooded counterparts - reptiles, leading less active but much longer lives. The research, led by the University of Bristol, UK and University of Helsinki, Finland, publ

#Archaeology & History
Field # Archaeology & History
Updated 13 October 2020

#20

 

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Description TBD

#Archaeology & History
Field # Archaeology & History
Updated 13 October 2020