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Archive for the ‘evolution’ category: Page 30

Jun 1, 2023

The Primate Genome Project unlocks hidden secrets of primate evolution

Posted by in categories: biotech/medical, evolution, genetics, neuroscience, sex

Researchers from Zhejiang University, Kunming Institute of Zoology, Northwest University, and Yunnan University, Aarhus University, and BGI-Research have jointly led a series of significant new studies are published in a special issue of the journal Science, and in papers in Nature Ecology & Evolution and Science Advances.

Co-led by Guojie Zhang from Centre for Evolutionary & Organismal Biology at Zhejiang University, Dong-Dong Wu at Kunming Institute of Zoology, Xiao-Guang Qi at Northwest University, Li Yu at Yunnan University, Mikkel Heide Schierup at Aarhus University, and Yang Zhou at BGI-Research, the Primate Genome Consortium reported a series of publications from its first phase program. The program includes high quality reference genomes from 50 , of which 27 were sequenced for the first time. These studies provide new insights on the speciation process, , social , sex chromosomes, and the evolution of the brain and other biological traits.

The comparative analysis of primate genomes within a phylogenetic context is crucial for understanding the evolution of the human genetic architecture and the inter-species genomic differences associated with primate diversification. Previous studies of primate genomes have focused mainly on primate species closely related to humans and were constrained by the lack of broader phylogenetic coverage.

May 31, 2023

Geneticists discover hidden ‘whole genome duplication’ that may explain why some species survived mass extinctions

Posted by in categories: biotech/medical, evolution, existential risks, genetics

Geneticists have unearthed a major event in the ancient history of sturgeons and paddlefish that has significant implications for the way we understand evolution. They have pinpointed a previously hidden “whole genome duplication” (WGD) in the common ancestor of these species, which seemingly opened the door to genetic variations that may have conferred an advantage around the time of a major mass extinction some 200 million years ago.

The big-picture finding suggests that there may be many more overlooked, shared WGDs in other species before periods of extreme environmental upheaval throughout Earth’s tumultuous history.

The research, led by Professor Aoife McLysaght and Dr. Anthony Redmond from Trinity College Dublin’s School of Genetics and Microbiology, has just been published in Nature Communications.

May 31, 2023

Scientists Discover Chinmo — “The Youth Gene”

Posted by in categories: biotech/medical, evolution

Researchers discover Chimno, the gene responsible for the juvenile stage in insects. This gene is present in mammals and could play a key role in cancerous processes.

The study, which was published in the journal eLife and led by the Institute for Evolutionary Biology (IBE, CSIC-UPF) and the IRB Barcelona, has revealed that the Chinmo gene is responsible for establishing the juvenile stage in insects. It also confirms that the Br-C and E93 genes play a regulatory role in insect maturity. These genes, which are also present in humans, act as a promoter and as a suppressor, respectively, of cancerous processes.

The results of the research, which was carried out with the fruit fly Drosophila melanogaster and the cockroach Blatella germanica, reveal that these genes have been conserved throughout the evolution of insects. Therefore, it is believed that they could play a key role in the evolution of metamorphosis.

May 31, 2023

Before the Big Bang 11: Is the Universe a Time Machine?

Posted by in categories: cosmology, evolution, quantum physics, time travel

What happened before the Big Bang? In two of our previous films we examined cyclic cosmologies and time travel universe models. Specially, the Gott and Li Model https://www.youtube.com/watch?v=79LciHWV4Qs) and Penrose’s Conformal Cyclic Cosmology https://www.youtube.com/watch?v=FVDJJVoTx7s). Recently Beth Gould and Niayesh Afshordi of the Perimeter Institute for Theoretical Physics have fused these two models together to create a startling new vision of the universe. In this film they explain their new proposal, known as Periodic Time Cosmology.

0:00 Introduction.
0:45 NIayesh’s story.
1:15 Beth’s story.
2:25 relativity.
3:26 Gott & Li model.
6:23 origins of the PTC model.
8:17 PTC periodic time cosmology.
10:55 Penrose cyclic model.
13:01 Sir Roger Penrose.
14:19 CCC and PTC
15:45 conformal rescaling and the CMB
17:28 assumptions.
18:41 why a time loop?
20:11 empirical test.
23:96 predcitions.
26:19 inflation vs PTC
30:22 gravitational waves.
31:40 cycles and the 2nd law.
32:54 paradoxes.
34:08 causality.
35:17 immortality in a cyclic universe.
38:02 eternal return.
39:21 quantum gravity.
39:57 conclusion.

Continue reading “Before the Big Bang 11: Is the Universe a Time Machine?” »

May 29, 2023

We’re analysing DNA from ancient and modern humans to create a ‘family tree of everyone’

Posted by in categories: biotech/medical, evolution, genetics

How we’re linking together genetic material from thousands of people — modern and ancient — to trace our ancestors and the history of our evolution.

May 26, 2023

Researchers discover Chinmo, ‘the youth gene’

Posted by in categories: biotech/medical, evolution

A new study published on eLife and led by the Institute for Evolutionary Biology (IBE, CSIC-UPF) and the IRB Barcelona, has revealed that the Chinmo gene is responsible for establishing the juvenile stage in insects. It also confirms that the Br-C and E93 genes play a regulatory role in insect maturity. These genes, which are also present in humans, act as a promoter and as a suppressor, respectively, of cancerous processes.

The results of the research, which was carried out with the fruit fly Drosophila melanogaster and the cockroach Blatella germanica, reveal that these genes have been conserved throughout the evolution of insects. Therefore, it is believed that they could play a key role in the evolution of .

Insects that undergo complete metamorphosis, such as flies, go through the following three stages of development: the embryo, which is formed inside the egg; the larva (juvenile stage), which grows in several phases; and the pupa, which is the stage that encompasses metamorphosis and the formation of the adult organism.

May 23, 2023

New DNA Research Changes Origin of Human Species

Posted by in categories: biotech/medical, evolution, genetics

New model for human evolution suggests Homo sapiens arose from multiple closely related populations.

A new study in Nature challenges prevailing theories, suggesting that Homo sapiens evolved from multiple diverse populations across Africa, with the earliest detectable split occurring 120,000–135,000 years ago, after prolonged periods of genetic intermixing.

In testing the genetic material of current populations in Africa and comparing it against existing fossil evidence of early Homo sapiens populations there, researchers have uncovered a new model of human evolution — overturning previous beliefs that a single African population gave rise to all humans. The new research was published on May 17, in the journal Nature.

May 22, 2023

Will My Son’s Blood Make Me Younger?

Posted by in categories: biotech/medical, evolution, information science, life extension

At Blueprint we’ve explored and evaluated hundreds of anti-aging therapies.

Recently, we had a daring idea: what if my father, son and I completed the world’s first ever multi-generational plasma exchange?

Continue reading “Will My Son’s Blood Make Me Younger?” »

May 19, 2023

A bit long, but a good read

Posted by in categories: biotech/medical, education, evolution, genetics, media & arts, mobile phones, nanotechnology, neuroscience, Ray Kurzweil, singularity

Ago when I was a kid in college my friend Eric got me into many things. We played music together and used a Kurzweil Keyboard, and a bunch of weird stuff. We had an ADAT hooked up to the Kurzweil with fiber optic cables. I had Roland keyboards & Drum machines but I loved the Kurzweil. He started teaching me many things because he was really smart. I was studying psychology so he loaned me his DSMIV and books on Industrial Organiza… See more.

A bit long, but a good read. About 20 years ago when I was a kid in college my friend Eric got me into many things. We played music together and used a Kurzweil Keyboard, and a bunch of weird stuff. We had an ADAT hooked up to the Kurzweil with fiber optic cables. I had Roland keyboards & Drum machines but I loved the Kurzweil. He started teaching me many things because he was really smart. I was studying psychology so he loaned me his DSMIV and books on Industrial Organizational Psychology. He then told me about other books like “Society of Mind”(Marvin Minsky), “Age of Intelligent Machine” (Ray Kurzweil), Engines of Creation (K Eric Drexler), of course Richard Feynman, and many more. I dreamed of that technology and kept reading more. In the 2000’s Drexler and Feynman’s visions became a paradign and applications started rolling out, and now nanotechnology is applied to most everything we know. We are now at the second paradigm where we see the visions of Minsky/McCarthy, Kurzweil and others becoming easily available applications. As a Child I watched the Jetsons & Srar Trek and now with flying cars it’s not if, but when. Space travel is already here. All these technologies will transform global societies, but we must all focus on investing more in the advancement of society than the destruction of it. Many of the things we now invision in our minds we may see in 10 years. People think saving your consciousness & longevity is impossible, but I don’t. Some even thought that regenerating tissue and organs is impossible, but we can do that now. Now people keep saying, “This ancient turtle died, this rhino died (I hear that all the time in Kenya), this elephant died, but I say okay it’s not cool, but what can we salvage from it to bring the species back with advances in technology later? Do we use cryogenics? How do we save the genetic material? Technology can be used in so many ways. Every Day Lifeboat posts feats many do not know. If more people on earth had such a focus, as opposed to dumbed down entertainment like The Kardashians for instance, we would be living in a much better world with more people proposing more ideas and collaborations. I always say we are moving in the wrong way in the evolutionary process, and it is a bit telling that some phones are smarter than many people. I you add ChatGPT. We have so much advanced technology and science, yet we can’t even fight cancer. It took decades for people to learn the importance of diet in HIV treatment. However, Ray Kurzweil has for decades talked about the importance of diet for longevity. Just the other day it was published that processed foods affect cognitive function. Before that it was released processed foods cause cancer. We must change, and go in the right way of evolution to the Singularity another paradigm shift and cooperarion, instead of backwards to a barbaric age of conflict and greed. Always share your knowledge and I thank all who do share in this group. More should share as well, and Lifeboat should use more platforms to reach more people.

May 18, 2023

Oldest living creature on Earth identified, emerging 700 million years ago

Posted by in category: evolution

Scientists have announced that the oldest living creature on our planet is a jellyfish-like organism called a ctenophore. It evolved from the same primordial animals that humans did.

This fascinating creature first emerged 700 million years ago, a significant time before the dinosaurs, which appeared only 230 million years ago. The study found that ctenophores are the closest relatives of the first animals and can still be spotted in modern-day oceans and aquariums.

A team from the University of California, Berkeley embarked on a quest to decipher the relationships within the animal tree of life. They wanted to broaden our understanding of the origins and evolution of life on Earth.

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