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Ancient dry spells offer clues about the future of drought

1000pa (Dec. 5, 2011) — As parts of Central America and the U.S. Southwest endure some of the worst droughts to hit those areas in decades, scientists have unearthed new evidence about ancient dry spells that suggest the future could bring even more serious water shortages. Three researchers speaking at the annual meeting of the American Geophysical Union in San Francisco on Dec. 5, 2011, presented new findings about the past and future of...

1000pa (Dec. 5, 2011) — As parts of Central America and the U.S. Southwest endure some of the worst droughts to hit those areas in decades, scientists have unearthed new evidence about ancient dry spells that suggest the future could bring even more serious water shortages. Three researchers...

Ice Age paintings from the Swabian Jura, Southwestern Germany document the earliest painting tradition in Central Europe

1000pa (Nov. 8, 2011) — Recent excavations conducted by the University of Tübingen at Hohle Fels Cave in the Swabian Jura of southwestern Germany have produced new evidence for the earliest painting tradition in Central Europe about 15,000 years ago. This period is referred to as the Magdalenian and is named after the site of La Madeleine in France.

Three of the new painting show double rows of red dots on limestone cobbles, while one...

1000pa (Nov. 8, 2011) — Recent excavations...

Ancient DNA provides new insights into cave paintings of horses

1000pa (Nov. 7, 2011) — An international team of researchers has used ancient DNA to shed new light on the realism of horses depicted in prehistoric cave paintings.

The team, which includes researchers from the University of York, has found that all the colour variations seen in Paleolithic cave paintings -- including distinctive 'leopard' spotting -- existed in pre-domestic horse populations, lending weight to the argument that the artists...

1000pa (Nov. 7, 2011) — An international team...

New evidence for the oldest oxygen-breathing life on land

1000pa (Oct. 19, 2011) — New University of Alberta research shows the first evidence that the first oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought. The researchers show that the most primitive form of aerobic-respiring life on land came into existence 2.48 billion years ago.

The research team, led by U of A geomicrobiologist Kurt Konhauser, made their find by investigating a link...

1000pa (Oct. 19, 2011) — New University of...

Genetic study of cave millipedes reveals isolated populations and ancient divergence between species

1000pa (Oct. 17, 2011) — The International Journal of Myriapodology recently published the first population genetic study of cave millipedes. This research highlights an important challenge in the conservation of cave biodiversity -- that for many species caves are 'islands' of habitat that support isolated and genetically distinct populations.

The southern Cumberland Plateau in Tennessee and Alabama, USA is known for its high cave density....

1000pa (Oct. 17, 2011) — The International...

The last 3 million years at a snail's pace: A tiny trapdoor opens a new way to date the past

1000pa (Aug. 4, 2011) — Scientists at the University of York, using an 'amino acid time capsule', have led the largest ever programme to date the British Quaternary period, stretching back nearly three million years.

It is the first widespread application of refinements of the 40-year-old technique of amino acid geochronology. The refined method, developed at York's BioArCh laboratories, measures the breakdown of a closed system of protein...

1000pa (Aug. 4, 2011) — Scientists at the...

'Amino acid time capsule': New way to date the past

1000pa (Aug. 4, 2011) — Scientists at the University of York, using an 'amino acid time capsule', have led the largest ever programme to date the British Quaternary period, stretching back nearly three million years.

It is the first widespread application of refinements of the 40-year-old technique of amino acid geochronology. The refined method, developed at York's BioArCh laboratories, measures the breakdown of a closed system of protein...

1000pa (Aug. 4, 2011) — Scientists at the...

Heavy metal hardens battle: Body armor hindered Medieval warriors

1000pa (July 26, 2011) — The French may have had a better chance at the Battle of Agincourt had they not been weighed down by heavy body armour, say researchers.

A study published July 19 in Proceedings of the Royal Society B shows that soldiers carrying armour in Medieval times would have been using more than twice the amount of energy had they not been wearing it. This is the first clear experimental evidence of the limitations of wearing...

1000pa (July 26, 2011) — The French may have...

Best-preserved house from the period of the Kingdom of Israel is uncovered at Tel Shikmona

1000pa (July 4, 2011) — Exceptional detective-archaeological work at the first season of archaeological digs at Tel Shikmona, on the southern edge of Israel's city of Haifa, has uncovered the remains of a house dating back to the period of the Kingdom of Israel.

The site was excavated about 40 years ago and due to neglect and layers of earth and garbage that piled up over the decades, the historical remains were hidden and little was known...

1000pa (July 4, 2011) — Exceptional...

Silver from the Americas may have entered the Spanish economy later than thought

1000pa (June 13, 2011) — European metal dominated Spanish silver coinage up until the reign of Philippe III (1578-1621) and it was only in the 18th century that it was completely replaced by Mexican metal. These are the conclusions of a team of researchers from CNRS, ENS in Lyon and Université Lyon 1. Using mass spectrometry analyses, they have succeeded in determining the provenance of coinage circulating in Spain after 1492. Published in...

1000pa (June 13, 2011) — European metal...

Population genetics reveals shared ancestries: DNA links modern Europeans, Middle Easterners to Sub-Saharan Africans

1000pa (May 24, 2011) — More than just a tool for predicting health, modern genetics is upending long-held assumptions about who we are. A new study by Harvard researchers casts new light on the intermingling and migration of European, Middle Eastern and African and populations since ancient times.

In a paper titled "The History of African Gene Flow into Southern Europeans, Levantines and Jews," published in PLoS Genetics, HMS Associate...

1000pa (May 24, 2011) — More than just a tool for...

Ancient Egyptian princess now known to be first person in human history with diagnosed coronary artery disease

1000pa (May 17, 2011) — The Egyptian princess Ahmose-Meryet-Amon, who lived in Thebes (Luxor) between 1580 and 1550 BC and who is now known to be first person in human history with diagnosed coronary artery disease, lived on a diet rich in vegetables, fruit and a limited amount of meat from domesticated (but not fattened) animals. Wheat and barley were grown along the banks of the Nile, making bread and beer the dietary staples of this...

1000pa (May 17, 2011) — The Egyptian princess...

Freedom in the swamp: Unearthing the secret history of the Great Dismal Swamp

1000pa (May 23, 2011) — It's the year 1800. You're a slave in southeast Virginia. You manage to escape. Your freedom is only going to last as long as you can hide. Where do you go? Would you believe the Great Dismal Swamp? According to Dan Sayers, assistant professor of anthropology and an historical archaeologist at American University, that's exactly where you could have gone for immediate sanctuary.

"There are interesting parallels. What...

1000pa (May 23, 2011) — It's the year 1800...

Battle scars found on an ancient sea monster

1000pa (May 4, 2011) — Scars on the jaw of a 120-million-year-old marine reptile suggest that life might not have been easy in the ancient polar oceans. The healed bite wounds were probably made by a member of the same species. Such injuries give important clues about the social behaviour of extinct sea creatures from the time of dinosaurs.

The find is described in a forthcoming issue of Acta Palaeontologica Polonica.

Found in the remote...

1000pa (May 4, 2011) — Scars on the jaw of a...

Loch fossils show life harnessed sun and sex early on

1000pa (Apr. 14, 2011) — Remote lochs along the west coast of Scotland are turning up new evidence about the origins of life on land.

A team of scientists from the University of Sheffield, the University of Oxford and Boston College, who are exploring rocks around Loch Torridon, have discovered the remarkably preserved remains of organisms that once lived on the bottom of ancient lake beds as long as a billion (1,000 million) years ago.

These...

1000pa (Apr. 14, 2011) — Remote lochs...

South America's oldest textiles identified with carbon dating

1000pa (May 23, 2011) — Textiles and rope fragments found in a Peruvian cave have been dated to around 12,000 years ago, making them the oldest textiles ever found in South America, according to a report in the April issue of Current Anthropology.

The items were found 30 years ago in Guitarrero Cave high in the Andes Mountains. Other artifacts found along with the textiles had been dated to 12,000 ago and even older. However, the textiles...

1000pa (May 23, 2011) — Textiles and rope...

Tourism does not harm all caves, study suggests

1000pa (Apr. 11, 2011) — Unlike the situation in other caves, damage caused by tourists at the Águila cave in Ávila, Spain is "imperceptible," despite it receiving tens of thousands of visitors each year. This is the main conclusion of an international research study headed by the University of Alcalá (UAH), which measured heat variations in the cave.

"Despite the tens of thousands of visitors that the Águila Cave receives each year, the...

1000pa (Apr. 11, 2011) — Unlike the...

Florida could be 10 to 15 million years older than previously believed, pollen study shows

1000pa (Mar. 2, 2011) — A new University of Florida study of 45-million-year-old pollen from Pine Island west of Fort Myers has led to a new understanding of the state's geologic history, showing the land which is now Florida could be 10 million to 15 million years older than previously believed.

The discovery of land in Florida during the early Eocene opens the possibility for researchers to explore the existence of land animals at that...

1000pa (Mar. 2, 2011) — A new University of...

Newly discovered dinosaur likely father of Triceratops

1000pa (Feb. 1, 2011) — Triceratops and Torosaurus have long been considered the kings of the horned dinosaurs. But a new discovery traces the giants' family tree further back in time, when a newly discovered species appears to have reigned long before its more well-known descendants, making it the earliest known member of its family.

The new species, called Titanoceratops after the Greek myth of the Titans, rivaled Triceratops in size,...

1000pa (Feb. 1, 2011) — Triceratops and...

Climatic fluctuations in last 2,500 years linked to social upheavals

1000pa (Jan. 27, 2011) — It would seem that there are striking chronological parallels between significant variations of climate and major historical epochs, such as the Migration Period and the heyday of the Middle Ages. This is the conclusion reached following a study undertaken by researchers from Switzerland, Germany, Austria, and the USA, in which they were able to reconstruct the summer climate in Europe over the last 2,500 years...

1000pa (Jan. 27, 2011) — It would seem that there...

Humans have been provoking climate change for thousands of years, carbon history shows

1000pa (Jan. 24, 2011) — The Roman Conquest, the Black Death and the discovery of America -- by modifying the nature of the forests -- have had a significant impact on the environment. These are the findings of EPFL scientists who have researched our long history of emitting carbon into the environment.

"Humans didn't wait for the industrial revolution to provoke environment and climate change. They have been having an influence for at...

1000pa (Jan. 24, 2011) — The Roman Conquest, the...

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Fossils 

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Book review

Dinosaurs Encyclopedia

Book Review

Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages ... WRITTEN BY A PROFESSIONAL paleontologist specifically for young readers, this guide to the Dinosauria is packed...