Sentences with phrase «ago by our ancestors»

Seeds are obtained from the highest quality cobs harvested the previous year, unaltered and descended directly from those used generations ago by our ancestors.

But I admired your passion and I was jealous of this connection you had to a place, this continuation of a line drawn a thousand years ago by your ancestors.

Not exact matches

Some prefer the answer given thousands of years ago by our distant ancestors who said Atum or El, or Ptah, or Vishvakarman, or Yahweh, etc. created the universe.

An argument could be made that the old puritan was too generous, thinking that God had killed his son for a thought crime rather than for a crime committed by ancestors who lived millennia ago.

Part of the old house in which she lives at Ojo de Agua was built more than a century ago by one of her ancestors, whose name was Pedro Luro.

«This causes a shakeup in the fish family tree, which indicates that the ancestor shared by all ray - finned fishes lived tens of millions of years after previously thought, maybe in the aftermath of a mass extinction event around 360 million years ago that decimated many other groups,» said Friedman, an associate curator at the U-M Museum of Paleontology and an associate professor in the Department of Earth and Environmental Sciences.

Every year Tryon teaches archaeology undergrads basic toolmaking; the students struggle to produce forms perfected long ago by human ancestors.

By comparing the genomes of 203 vertebrates, they first traced the origin of KZFPs back to a common ancestor of tetrapods (four - legged animals) and coelacanth, a fish that evolved over 400 million years ago.

Using genetic changes as a molecular clock, they conclude that Papuan and Aboriginal Australian ancestors diverged perhaps 37,000 years ago, long before Australia and New Guinea were separated by rising seas.

Several competing theories explain when and by what routes our earliest ancestors migrated out of Africa after they evolved there as early as 300,000 years ago.

To test this hypothesis, an international team led by evolutionary biologist Philipp Khaitovich of the Shanghai Institutes for Biological Sciences in China and the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, set out to see how many brain - related genes implicated in schizophrenia underwent positive natural selection since humans and chimpanzees diverged from a common ancestor between 5 million and 7 million years ago.

Archaeologists working on the eastern coast of England have found a series of footprints that were made by human ancestors sometime between one million and 780,000 years ago.

It's home to most of St. Paul's 500 residents, the majority of them Aleuts whose ancestors were brought here by Russian traders more than two centuries ago to work the northern fur seal killing fields.

By analyzing the genomes of 28 bears — polar bears, including a roughly 120,000 - year - old specimen from Norway's Svalbard archipelago, as well as modern brown bears and black bears — the scientists in effect read back in time to a common ancestor at least four million years ago.

He cites a recent study, for instance, conducted by an international team of molecular biologists that used the DNA of living placental mammals to estimate that their ancestors originated more than 100 million years ago.

According to a report published online today by the journal Nature, mutations in genes that guide embryonic development allowed insects to develop a radically different body plan from that of their crustacean - like ancestors some 400 million years ago.

If true, the results suggest that human sleep patterns evolved by around 300 million years ago in a common ancestor of birds, mammals and reptiles.

And it's too early for H. heidelbergensis, which arose in Africa and Europe about 650,000 years ago and is thought by many researchers to be the common ancestor of humans and Neandertals.

New evidence even raises the possibility that our modern human ancestors may have journeyed by raft or simple boat out of Africa 60,000 to 70,000 years ago, crossing the mouth of the Red Sea.

Based mainly on fossil evidence and specimens preserved in amber, biologists concluded long ago that spiders descended from a many - legged, scorpionlike ancestor that by 380 million years ago had a long tail but looked quite spiderlike and may even have had silk glands.

By about 50 million years ago, the fundamentals of modern coral reefs, including the ancestors of most major families, such as clownfishes and parrotfishes, were in place, Price said.

«If the specific behavior of nut cracking with stone tools is posited for our last common ancestor, then one would expect a series of stone - tool sites that resemble those made by chimpanzees to be found in sediments dating to between 2.6 million and 5 million years ago,» Ambrose says.

Here's what we know about the evolution of flight: By about 150 million years ago, the forests were filled with flying — or perhaps just gliding — dinosaurs like Archaeopteryx, possibly similar to the ancestor of modern birds.

The researchers calculate that the Y chromosomes carried by modern men are versions of the Y chromosome carried by a common ancestor who lived in Africa about 59,000 years ago, they report in the November issue of Nature Genetics.

Researchers have long known that many African carnivores died out by 1.5 million years ago, and they blamed our ancestor, Homo erectus, for overhunting with its new stone tools.

By tracing the lineages of Y chromosomes back through the stone age, researchers have estimated how long ago humans» oldest paternal ancestor lived.

Though some speculation is required here, there is general agreement that by the early Pleistocene, around 2 million years ago, the African habitat of our ancestor Homo erectus was much more arid than before, and food was harder to come by.

Based on their research from the Chorora, Kadabba and Ardi finds, the team says the common ancestor of chimps and humans lived earlier than had been evidenced by genetic and molecular studies, which placed the split about 5 million years ago.

It's no surprise then that a study published 2 years ago created quite a stir by claiming that modern humans harbor a genetic signature suggesting our ancestors engaged heavily in the practice.

New research by Professor Beth Shapiro of the UC Santa Cruz Genomics Institute and University of Alberta Professor Duane Froese has identified North America's oldest bison fossils and helped construct a bison genealogy establishing that a common maternal ancestor arrived between 130,000 and 195,000 years ago, during a previous ice age.

It's also clear how this mild region, sheltered by mountains from the cold steppes to the north and from arid plains to the south, would have appealed to a band of human ancestors who may well have been the first to venture out of Africa nearly 2 million years ago.

These variants arose about a half - million years ago, suggesting that human ancestors before that time may have had moderately dark skin, rather than the deep black hue created today by these mutations.

Stone tools used by our oldest hominin ancestors 2.5 million years ago are believed to have sparked the evolution of human communication (Illustration by Jay Matternes)

Found by UW - Madison undergraduate student Kayla Sylvester, a member of Hittinger's group, the yeast occurs only at a very low frequency and was likely accidentally introduced, just as an ancestor found its way to Europe and kick - started the production of cold - brewed lager beer hundreds of years ago.

They determined it was around 180,000 years ago when the two parental species originally mated, and that both parental species diverged from a common ancestor about 300,000 years ago, making all three very recent birds by Amazon rainforest standards.

«As our nervous systems are a product of evolution and past experiences, one can reasonably expect that how well we memorize information today is influenced by natural selection that occurred amongst our ancestors long ago.»

Biologists recently discovered skin proteins shared by humans and turtles which developed in a common ancestor roughly 310 million years ago.

Brown bears and polar bears, by contrast, evolved from the same ancestor only about 150,000 years ago — a relatively brief period — and have not developed significant genetic differences.

«The only logical way people could have come to Florida by 14,600 years ago is if their ancestors entered the Americas by boat along the Pacific Coast,» Waters told Seeker.

At 4.4 million years ago, Ethiopia's Ardipithecus ramidus is the earliest human ancestor well represented by skeletal remains.

A fossilized bone, the fourth metatarsal of the left foot, recovered from Hadar shows that by 3.2 million years ago human ancestors walked bipedally with a modern human - like foot, a report that appears Feb. 11 in the journal Science, concludes.

Nineteen new pieces of DNA — left by viruses that first infected our ancestors hundreds of thousands of years ago — have just been found, lurking between our own genes.

Paleo Miracle Diet is based on the types of foods eaten by our paleolithic ancestors more than 40.000 years ago.

A January 2014 study by oxford university revealed that 2 million years ago our earliest human ancestors relied heavily upon this root which fueled up to 80 % of their diet.

«Dr. Cate Shanahan beautifully presents the scientific evidence why traditional foods enjoyed by our ancestors thousands of years ago can keep us lean and disease - free today.

In fact, many would state that they are simply upholding the traditional art of beautification created by their ancestors many civilizations ago.

Miguel is being groomed to join the family business, shoemaking, begun generations ago by his long - departed ancestor Imelda.

The ancestors of the Bernese dogs were brought into Switzerland over two thousand years ago by the invading Roman soldiers.

At the Moritami Shuzo Honke sake brewery in Sendai, it was easy to imagine the brewing process being much the same as the one employed five generations ago by owner Mori Tokuhide's ancestors (barring a digital thermometer and some climate - control equipment in the rice - fermentation room).

In 1987, the world's largest prehistoric copper mines were discovered beneath Great Orme, and today visitors can explore a network of tunnels laboriously excavated by our Bronze Age ancestors around 3,500 years ago.