African elephant poaching rates have dropped by 60 per cent in six years, an international study has found. It is thought the decline could be associated with the ivory trade ban introduced in China in Scientists have identified a four-legged creature with webbed feet to be an ancestor of the whale. Dr Sidney Tamm of the Marine Biological Laboratory could not initially find any trace of an anus on the species. However, as the animal gets full, a pore opens up to dispose of waste. Feared extinct, the Wallace's Giant bee has been spotted for the first time in nearly 40 years.
Ancient humans hunted the prehistoric European cave bear to extinction
An international team of conservationists spotted the bee, that is four times the size of a typical honeybee, on an expedition to a group of Indonesian Islands. Fossilised bones digested by crocodiles have revealed the existence of three new mammal species that roamed the Cayman Islands years ago. The bones belonged to two large rodent species and a small shrew-like animal. Scientists at the University of Maryland have created a fabric that adapts to heat, expanding to allow more heat to escape the body when warm and compacting to retain more heat when cold.
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A study from the University of Tokyo has found that the tears of baby mice cause female mice to be less interested in the sexual advances of males. The Intergovernmental Panel on Climate Change has issued a report which projects the impact of a rise in global temperatures of 1. The nobel prize for chemistry has been awarded to three chemists working with evolution. Frances Smith is being awarded the prize for her work on directing the evolution of enzymes, while Gregory Winter and George Smith take the prize for their work on phage display of peptides and antibodies.
The nobel prize for physics has been awarded to three physicists working with lasers. Arthur Ashkin L was awarded for his "optical tweezers" which use lasers to grab particles, atoms, viruses and other living cells. The Ledumahadi Mafube roamed around million years ago in what is now South Africa. Recently discovered by a team of international scientists, it was the largest land animal of its time, weighing 12 tons and standing at 13 feet. In Sesotho, the South African language of the region in which the dinosaur was discovered, its name means "a giant thunderclap at dawn".
Scientists have witnessed the birth of a planet for the first time ever. The planet stands clearly out, visible as a bright point to the right of the center of the image, which is blacked out by the coronagraph mask used to block the blinding light of the central star. These compartments are found beneath the skin, as well as lining the gut, lungs, blood vessels and muscles, and join together to form a network supported by a mesh of strong, flexible proteins.
Prehistoric Trade Networks
Working in the Brazilian state of Mato Grosso, a team led by archaeologists at the University of Exeter unearthed hundreds of villages hidden in the depths of the rainforest. These excavations included evidence of fortifications and mysterious earthworks called geoglyphs.
More than one in 10 people were found to have traces of class A drugs on their fingers by scientists developing a new fingerprint-based drug test. Using sensitive analysis of the chemical composition of sweat, researchers were able to tell the difference between those who had been directly exposed to heroin and cocaine, and those who had encountered it indirectly. The storm bigger than the Earth, has been swhirling for years. The image's colours have been enhanced after it was sent back to Earth.
Included in Wellcome Image Awards, this 3D image of an African grey parrot shows the highly intricate system of blood vessels. Another Wellcome Images Award winner, this time of baby Hawaiian bobtail squid. Enter your email address Continue Continue Please enter an email address Email address is invalid Fill out this field Email address is invalid Email already exists. I would like to receive morning headlines Monday - Friday plus breaking news alerts by email. Update newsletter preferences. Discovery of little monkey from 55 million years ago rewrites history of humans Show all 2.
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Thanks for subscribing! Vote Are you sure you want to submit this vote? Submit vote Cancel. They located ceramics and charcoal suggesting a village that dated to about A. Back in the office, they used their findings to predict where other sites might be located, creating a computer model that took everything from elevation to soil pH to precipitation into account.
It showed that people would likely have built geoglyphs in higher-elevation areas with big variations in seasons and temperatures. The computer model also predicted population densities that were much larger than expected. The team now thinks that between , and 1 million people once lived in just seven percent of the Amazon basin. That flies in the face of previous estimates that only about 2 million people lived in the entire Amazon basin.
The distribution of the potential sites suggests an interconnected, advanced series of fortified villages spanning over 1, miles that flourished between and A.
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So what happened to the rain forest-dwelling people? From the Baltic to the Mediterranean: Ancient Liguria and the amber exchange network. Enclosed Space - Open Society. This paper represents an introduction to the issues relating to the presence of amber in Middle Bronze Age on the territory of present-day Hungary.
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Those communities have traditionally been attributed the key role in maintaining extensive networks of exchange, including long-range interaction with the Aegean zone. The Great Hopewell Road is a prehistoric parallel-walled roadway that archaeologists hypothesize to have passed from the Newark Earthworks in Licking County, Ohio, to the vicinity of Chillicothe, Ross County, Ohio, a distance of about The Great Hopewell Road is a prehistoric parallel-walled roadway that archaeologists hypothesize to have passed from the Newark Earthworks in Licking County, Ohio, to the vicinity of Chillicothe, Ross County, Ohio, a distance of about 60 miles.
Its existence was proposed during the nineteenth century and it received renewed interest when Bradley Lepper of the Ohio Historical Society investigated it in the s. While evidence of the prehistoric road is convincing in some cases, in other cases the search for the signature and deposits associated with it has proved elusive. An evaluation of the strength of evidence is applied to elicit identification trends.
The study concludes by commenting on the unique potential of the site to inform archaeologists about prehistoric networks and movements of people. I also comment on challenges it presents for cultural resource management archaeology.
Based on the extensive rescue excavations which have been Jiri Unger. Testing complex networks of interaction at the onset of the Near Eastern Neolithic using modelling of obsidian exchange. This chapter explores the long-term processes whereby settlers moving into Central Eastern Polynesia CEP adapted to new island environments and social landscapes.
Over a thousand-year period, CEP societies instigated environmental Over a thousand-year period, CEP societies instigated environmental change and subsistence intensification, in addition to developing localized styles of material culture and affecting great change in their sociopolitical complexity. In comparing the cultural sequences from three CEP archipelagoes Society Islands, Marquesas Islands, Austral Islands , the chapter demonstrates shared patterns in demographic change and shifts in subsistence and exchange, while at the same time highlighting inter-archipelago variation in terms of pathways to emerging elite power.
This study concerns the application of ethnographic information to the understanding of prehistoric peoples. The ethnography of contemporary sago-using peoples, who inhabit the foothill margin of the deltaic swamps of the Papuan Gulf, and The ethnography of contemporary sago-using peoples, who inhabit the foothill margin of the deltaic swamps of the Papuan Gulf, and the archaeological evidence recovered from a series of excavated open and rock shelter sites serve as the basis for this work.
The Kairi living at Waira Village, who are the focus of my ethnographic research, follow a dual residence system: permanent villages along large rivers and temporary encampments sited near the interior margin of a broad alluvial plain. Their primary subsistence pursuits: sago-making, fishing and hunting follow traditional modes; however, European tools have contributed to some recent alterations. The contemporary Kairi land-use strategy, as interpreted from a time-and-motion study of the Waira community, is oriented from the location of sagopalm stands, instead of the village site.
Ancient humans hunted the prehistoric European cave bear to extinction | Daily Mail Online
Taking this information and the observed seasonal fluctuations in subsistence and settlement strategies into account I construct a model of contemporary land-use. This analogue and that derived for the contact period are expressed in a series of working and test hypotheses which relate the modelled behavioural patterns to their archaeological reflections.
Before considering the archaeological evidence I derive a further set of alternative models from an analysis of other Melanesian sago-using groups. The usefulness of this expanded view of the application of ethnographic analogues-namely the projection of possible prehistoric systems for which there is no evidence in the area today-is demonstrated through model testing. The second part of the thesis considers the archaeological evidence and an assessment against the suites of test hypotheses is made.
The results suggest that the occupation of the Waira region extends over approximately the last years. Subsistence strategies appear to have changed little during that time from what is noted today. Settlement patterns have, however, altered between BP and from just before European contact to today.
This change is marked by the siting of villages along major waterways, repeated use of temporary encampments near the karst escarpment and occurrence of large amounts of exotic commodities.