Sentences with phrase «human ancestors began»

A growing brain requires nutrient - rich, energy - packed food, so rather than foraging for fruits and vegetables, our human ancestors began eating meat.

PALISADES, NEW YORK — When human ancestors began scavenging for meat regularly on the open plains of Africa about 2.5 million years ago, they apparently took more than their fair share of flesh.

Researchers at the symposium proposed that something similar happened as human ancestors began to live in closer quarters, relying more on each other and on wider social networks to survive.

Human ancestors began walking upright at least 6 million years ago, according to analysis of hominid leg and pelvic bones.

Not exact matches

Finally, several hundred thousand years ago, our direct human ancestors appeared and began to spread out over the face of the earth.

'' DNA studies suggest that all humans today descend from a group of African ancestors who about 60,000 years ago began a remarkable journey.

Here one finds the dull report of the census - taker, the uninspired but minute directions for the performance of the cult, stories of man's beginnings and that of many of the common experiences of his life, such as language, relationship of races, why the rainbow; colorful stories, of the might and prowess of ancient ancestors of the race, riddles, puns, fables, prayers, songs that have become almost the universal songs of the human race, the history of the rise and fall of dynasties, the preaching of reformers and prophets, the questioning of it all by men grown weary of the struggle, proverbial sayings of great wisdom; the dreams of conquest both of earth and heaven.

Hodgskiss strikes a middle ground as she imagines how human ancestors might have begun using the material: «You're walking through the landscape, and you see a beautiful red or yellow or purple stone, and you realize you can grind it and get a really nice powder from it.

Thanks to powerful gene - sequencing techniques developed in the past two decades during the race to decode the human genome, researchers are beginning to reconstruct what our ancestors» microbiomes looked like, potentially going back thousands of years.

The other derives from reports of intergroup fighting among hunter - gatherers; our ancestors lived as hunter - gatherers from the emergence of the Homo genus until the Neolithic era, when humans began settling down to cultivate crops and breed animals, and some scattered groups still live that way.

It began its journey to Earth more than 5 million years ago, about the time humans and chimpanzees were splitting from a common ancestor.

Our love affair with blooming plants began with the earliest human ancestors.

Instead, Erlandson and others believe that coastal voyaging began with our modern human ancestors, Homo sapiens.

But in a global sense, humans» most disruptive technologies may have been born millennia ago, when our ancestors began to plant crops and cross the globe.

«This significantly shifts debates about the origins of art - making and supports ideas that this fundamental human behaviour began with our most ancient ancestors in Africa rather than Europe.

But few scientists thought there were enough hominins — ancestors of humans but not other apes — before that to threaten the fierce assortment of carnivores that roamed Africa, or that the crude stone tools that our ancestors began to wield 2.6 million years ago could be used for hunting.

The Wikipedia timeline begins at 4000 MYA with the appearance of the ealiest life - forms and includes 10 MYA for when human ancestors speciate from the ancestors of the gorillas.

To visit this place is, in some ways, to see the world as it looked to our ancestors millions of years ago, long before humans began to wreak havoc on the planet — or so the conventional wisdom goes.

Previous research has shown that the first instance of fire use occurred around 1.9 million years ago, around the time humans» ancestors began to develop bigger noggins.

But ancient - DNA sequencing is beginning to shed some light on the issue.11 For example, by comparing a human HAR sequence with the HAR sequence of an archaic hominin, researchers can estimate if the HAR mutated before, after, or during the time period of our common ancestor.12 This approach has revealed that the rate at which HAR mutations emerged was slightly higher before we split from Neanderthals and Denisovans.3, 13 As a result, most HAR mutations are millions of years old and shared with these extinct hominins (but not with chimpanzees).

However, Stewart and Disotell [93] and Begun [94] suggested that crown hominids originated in Asia and that the ancestor of African apes and humans (Homininae) re-entered Africa in the late Miocene.

William Ruddiman has proposed the early anthropocene hypothesis, according to which the anthropocene era, as some people call the most recent period in the Earth's history when the activities of the human race first began to have a significant global impact on the Earth's climate and ecosystems, did not begin in the eighteenth century with the advent of the Industrial Era, but dates back to 8000 years ago, due to intense farming activities of our early agrarian ancestors.

Evidence of large mammal extinctions appeared as early as the beginning of the Pleistocene in Africa, where human ancestors were evolving alongside them, Smith said.

«It's possible we'll one day find three groups of hominin fossils — those with Gc - CS before the human lineage branched off, those without Gc - CS in our direct lineage, and then more recent fossils in which trace amounts of Gc - CS began to reappear when our ancestors began eating red meat,» Varki said.

Bone broth's inception into the human diet began as the way our ancestors made good use of every part of the animals they hunted for food.

Humans in some parts of the world have had a couple thousand years to begin to adapt to milk consumption, but our cat's wild ancestors have had minimal exposure to dairy products.

This lineage may show that humans began selective breeding of dogs soon after first domesticating the wild ancestors of our family pet.

Far far, Away About Blog Haplogroup - DNA Genealogy The genetic ancestry of all people alive began long before our ancestors were modern or even human according to anthropologists.