Their numbers might have swamped human populations that arrived
in earlier migrations.
This pattern suggests that goats followed humans
in their early migrations.
Not exact matches
Signs of this mysterious
early migration remained
in the DNA of the Neanderthal who left the leg bone behind, revealing not only a previous tryst between the two hominin populations, but a sign that Neanderthals were far more diverse than we thought.
European Union leaders have agreed on a common position to put to Turkish Prime Minister Ahmet Davutoglu
in a bid to curb the
migration crisis, Luxembourg's premier said at a Brussels summit
early Friday morning.
The discovery changes the history of
early human
migration and suggests archaic humans were present
in the region long before than previously thought.
Though possessing many common cultural traits found also
in Europe and the West, the much closer similarities between the cultures of Iran or Persia and India have led scholars to distinguish an Indo - Iranian branch of the larger whole as having
early separated itself from the central or original Aryan
migration, perhaps moving eastward from the, as yet, not certainly located origin of the Aryan group.
In early spring he took off by plane in advance of their migration and intercepted them along the Platte River in Nebrask
In early spring he took off by plane
in advance of their migration and intercepted them along the Platte River in Nebrask
in advance of their
migration and intercepted them along the Platte River
in Nebrask
in Nebraska.
Journey of a Lifetime shares the stories of the people, places and triumphs involved
in the westward
migration of the
early 20th century — the largest wave of immigration
in Canadian history.
However, for a large number of people at an
earlier point
in time, flight or
migration seemed the better of these two options.
Net
migration turned negative
in the
early 1990s due to high unemployment but gradually increased through the decade as job opportunities improved.
But the figures are still down on the levels of net
migration reached
in the
early days of the coalition - revised ONS figures suggest it reached 263,000
in the year to September 2011.
The Nature team concludes it came
in one of two
early waves of
migration into the continent, whereas the Science team concludes it came much later, and was unrelated to the initial peopling.
All non-Africans stem from one major founding population, the studies agree, but
earlier human
migrations are also recorded
in present - day people's DNA, one study finds.
Killary and colleagues
earlier identified a cluster of genes involved
in cancer
migration and then analyzed the proteins produced by those genes.
In Asia and Europe they would encounter populations of hominid species from
earlier migrations that had evolved their own differences.
Adding two blood - borne proteins associated with cancer cell
migration increases the predictive ability of the current biomarker for pancreatic cancer to detect
early stage disease, a research team from The University of Texas MD Anderson Cancer Center reports
in the Journal of the National Cancer Institute.
But the tantalizing discoveries of 100,000 - year - old stone tools found
in the mountains of Oman and decidedly human fossils
in the Israeli Levant dating to 177,000 to 194,000 years ago forced anthropologists to consider the possibility of
earlier migrations.
Though the
earlier JSATS tag provided a very detailed picture of fish
migration, researchers worried that the mere presence of their tag — which was about three times heavier
in 2007 than today's injectable tag — could alter fish behavior and make tag - gathered data less reliable for small fish.
Seasonality of bird
migration is shifting
in response to climate change and, as a result, birds are arriving at their northern breeding grounds
earlier in the spring.
Overall, the study's data from mitochondrial DNA — different from nuclear DNA
in that it helps scientists trace maternal lineages — reveal that population structure
in humpback whales is largely driven by female whales that return annually to the same breeding grounds and by the
early experience of calves that accompany their mothers on their first round - trip
migration to the feeding grounds.
He points out that if there was only one initial
migration it must have occurred very
early to give the population time to split
in two and the two groups to develop radically different tools.
Those sharks that do not become successful
in learning how to catch prey quickly may starve as a result, which would partially explain the
early migration of this juvenile female to off - shore waters for richer food.
One of the continent's
earliest explorers, James Clark Ross — the Englishman who discovered the Ross Ice Shelf — remarked on the stirring sight of Adélies arcing
in and out of the water during the
migration to their home colonies.
«Ice age bison fossils shed light on
early human
migrations in North America: Study dates the first movements of bison through an ice - free corridor that opened between the ice sheets after the last glacial maximum.»
In the last 10,000 years, house sparrows accompanied
early farmers on
migrations into Europe.
After spending a relatively leisurely winter and
early spring luxuriating
in warm tropical climates, they migrate north for a brief but highly eventful summer
in North America, during which they must complete three energetically demanding and time - consuming tasks: (1) they must build nests, lay eggs, and provide for their offspring until the young reach independence, (2) they must completely replace all the feathers
in their plumage as part of the annual molt, and (3) they must prepare for the fall southward
migration by eating prodigiously and storing the body fat that will fuel their long - distance flights.
The findings, which were announced during the 2018 AAAS Annual Meeting
in Austin, Texas, have implications for understanding the region's history of
migration, land use and conservation and even
early climate changes, participants said.
The high «genetic continuity»
in East Asia is
in stark contrast to most of Western Europe, where sustained
migrations of
early farmers from the Levant overwhelmed hunter - gatherer populations.
Theoretical models predict that
migration occurs either
early in the lives of giant planets while still embedded within the protoplanetary disk, or else much later, once multiple planets are formed and interact, flinging some of them into the immediate vicinity of their star.
Instead, it makes an RNA molecule that is present during
early in utero brain development and may orchestrate the
migration of cells that build the human brain.
A year
earlier, the team had tagged golden - winged warblers (Vermivora chrysoptera, pictured) with leg trackers
in order to study their annual
migrations to South America.
«This shows how important the Gulf coast is
early on
in the
migration,» says Kelling.
This suggests there was a coastal
migration route that required some kind of seafaring facility, says Silvia Gonzalez of Liverpool John Moores University
in the UK, who investigates
early human footprints
in the Americas.
Using ancient and modern genome - wide data, we find that the ancestors of all present - day Native Americans, including Athabascans and Amerindians, entered the Americas as a single
migration wave from Siberia no
earlier than 23 thousand years ago (KYA), and after no more than 8,000 - year isolation period
in Beringia.
His and others» discoveries of
early stone tools
in India and Arabia suggest that moderns did expand out of Africa during the
early migration windows.
In «Linguistic Perspectives on Early Population Migrations and Language Contact in the Americas,» Sicoli shows how big data analyses point to the existence of at least three now - extinct languages of earlier migrations that influenced existing Dene and Aleut languages as they moved to the Alaska coas
In «Linguistic Perspectives on
Early Population
Migrations and Language Contact in the Americas,» Sicoli shows how big data analyses point to the existence of at least three now - extinct languages of earlier migrations that influenced existing Dene and Aleut languages as they moved to the Ala
Migrations and Language Contact
in the Americas,» Sicoli shows how big data analyses point to the existence of at least three now - extinct languages of earlier migrations that influenced existing Dene and Aleut languages as they moved to the Alaska coas
in the Americas,» Sicoli shows how big data analyses point to the existence of at least three now - extinct languages of
earlier migrations that influenced existing Dene and Aleut languages as they moved to the Ala
migrations that influenced existing Dene and Aleut languages as they moved to the Alaska coast.
Various models show a family of small planets thrown outwards
early in their development, probably by the
migration of Neptune.
This information was compared for monarchs that were captured
early against those captured late
in the
migration.
The researchers analyzed
migration data collected intermittently from two different periods — referred to
in the paper as «
early» and «late» — for two beluga populations, covering the years 1993 - 2002 and 2004 - 2012.
But can we really infer such an
early, out - of - Africa
migration on the basis of a handful of bones from one site
in Indonesia?
Early in his career, he discovered that previously enigmatic support cells, known as radial glia, serve as guides for the
migration of cortical neurons
in the developing brain, and showed how this process is critical for the organization of the multi-layered structure of the cerebral cortex.
This paper has important implications
in understanding
early human
migrations.
A new study, which was published
in the journal Science on Dec. 8, suggests that new discoveries made over recent years show that modern humans may have originated from several
migrations from Africa, which started as
early as 120,000 years ago, or 60,000 years
earlier than previous estimates.
This is because genetic patterns
in Turkey and the Middle East were re-shaped by
migrations from surrounding areas after the
Early Neolithic.
Listen to the Nature Podcast
in which study author María Martinón - Torres explains how the ancient teeth challenge ideas of
early human
migration here.
More specifically the scientists provide the first genetic evidence of a scenario
in which
early modern humans left the African continent and mixed with archaic (now - extinct) members of the human family prior to the
migration «out of Africa» of the ancestors of present - day non-Africans, less than 65,000 years ago.
The unmixed Hinxton group, versus the mixing of the Oakington population, shows that
early medieval
migration took a variety of forms and that these migrants integrated with the incumbent population
in different ways.
− It is thrilling to investigate what has happened
in our
early history, a time for which we have no written material to rely on, and how we can explain todays genetic patterns based on population history and
migration.
We present whole - genome sequences of 10 ancient samples from archaeological excavations
in East England, which date to the late Iron Age and to the
early and middle Anglo - Saxon periods and hence let us directly observe and quantify the genetic impact of the Anglo - Saxon
migrations in England.
On December 1, 2009, two astronomers submitted a pre-print suggesting that the planet's extreme axial tilt (an obliquity of 97 degrees) may have resulted from the presence of a large moon that has since been ejected from orbit around the ice giant by the pull of another planet during the orbital
migration of the giant planets
early in the formation of the Solar System.