Oldest-known fiber materials used by humans date back to 34,000 years

Washington, September 11 (ANI): A team of archaeologists and paleobiologists has discovered flax fibers that are more than 34,000 years old, making them the oldest fibers known to have been used by humans.

The fibers were discovered during systematic excavations in a cave in the Republic of Georgia.

The flax, which would have been collected from the wild and not farmed, could have been used to make linen and thread, according to the researchers.

The cloth and thread would then have been used to fashion garments for warmth, sew leather pieces, make cloths, or tie together packs that might have aided the mobility of our ancient ancestors from one camp to another.

“This was a critical invention for early humans. They might have used this fiber to create parts of clothing, ropes, or baskets-for items that were mainly used for domestic activities,” said Ofer Bar-Yosef of the Harvard University, who jointly led the research with George Grant MacCurdy and Janet G. B. MacCurdy.

“We know that this is wild flax that grew in the vicinity of the cave and was exploited intensively or extensively by modern humans,” he added.

The items created with these fibers increased early humans chances of survival and mobility in the harsh conditions of this hilly region.

The flax fibers could have been used to sew hides together for clothing and shoes, to create the warmth necessary to endure cold weather.

They might have also been used to make packs for carrying essentials, which would have increased and eased mobility, offering a great advantage to a hunter-gatherer society.

Some of the fibers were twisted, indicating they were used to make ropes or strings. Others had been dyed.

Early humans used the plants in the area to color the fabric or threads made from the flax.

Today, these fibers are not visible to the eye, because the garments and items sewed together with the flax have long ago disintegrated.

Bar-Yosef, Eliso Kvavadze of the Institute of Paleobiology, and colleagues, discovered the fibers by examining samples of clay retrieved from different layers of the cave under a microscope.

Bar-Yosef and his team used radiocarbon dating to date the layers of the cave as they dug the site, revealing the age of the clay samples in which the fibers were found.

Flax fibers were also found in the layers that dated to about 21,000 and 13,000 years ago. (ANI)

Classic novels have instilled cooperative values in today’s generation, say psychologists

London, Jan 15 (ANI): Classic Victorian novels like Dracula, Middlemarch and Pride and Prejudice sowed the seeds of values of cooperation and the suppression of hunger for power in today’s generation, according to evolutionary psychologists.

For example in George Eliot’s Middlemarch, Dorothea Brooke turns her back on wealth to help the poor, while Bram Stoker’s nocturnal menace, Count Dracula, comes to represent the worst excesses of aristocratic dominance.

Psychologists said that the characters in the classic British novels from the 19th century helped us in upholding social order, and encouraged altruistic genes to spread through Victorian society.

Applying Darwin’s theory of evolution to literature, evolutionary psychologists led by Joseph Carroll at the University of Missouri in St Louis, asked 500 academics to fill in questionnaires on characters from 201 classic Victorian novels.

All the respondents had to define characters as protagonists or antagonists, rate their personality traits, and comment on their emotional response to the characters.

It was found that the participants had put leading characters into groups that mirrored the cooperative nature of a hunter-gatherer society, where individual urges for power and wealth were suppressed for the good of the community.

The researchers claimed that the effect of such moralistic literature was to uphold and instil a sense of fairness and altruism in society at large.

“By enforcing these norms, humans succeed in controlling ‘free riders’ or ‘cheaters’ and they thus make it possible for genuinely altruistic genes to survive within a social group,” the Guardian quoted the authors as saying.

Jonathan Gottschall, a co-author at Washington and Jefferson College in Pennsylvania, told New Scientist magazine that dominant behaviour was denounced in Victorian novels.

“Bad guys and girls are just dominance machines, they are obsessed with getting ahead, they rarely have pro-social behaviours,” he said.

However, it was found that a more cooperative group was more likely to survive and spread its values.

In fact, there were a few characters, which were judged to have both good and bad traits, such as Heathcliff in Emily Bronte’s Wuthering Heights and Jane Austen’s Mr Darcy.

Carroll said that the conflicts shown by these characters reflect the strains of maintaining such a cooperative social order.

Stoker’s Dracula and many of George Eliot’s characters were more black and white.

The study has been published in the journal Evolutionary Psychology. (ANI)