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History of life - Wikipedia

https://en.wikipedia.org/wiki/History_of_life
Learn how life emerged and evolved on Earth from 4.5 billion years ago to present day, based on fossil and molecular evidence. Explore the major milestones, mass extinctions, and diversity of life forms across time and space.

The origin of life on Earth, explained | University of Chicago News

https://news.uchicago.edu/explainer/origin-life-earth-explained
Learn about the mysteries and theories of how life emerged on Earth, from the Miller-Urey experiment to the role of water and carbon. Explore the possible origins of life on other planets and the research of UChicago scientists.

Life - Origin, Evolution, Abiogenesis | Britannica

https://www.britannica.com/science/life/The-origin-of-life
Life - Origin, Evolution, Abiogenesis: Perhaps the most fundamental and at the same time the least understood biological problem is the origin of life. It is central to many scientific and philosophical problems and to any consideration of extraterrestrial life. Most of the hypotheses of the origin of life will fall into one of four categories: Hypothesis 1, the traditional contention of

How did life originate? - Understanding Evolution

https://evolution.berkeley.edu/from-soup-to-cells-the-origin-of-life/how-did-life-originate/
Replicating molecules evolved and began to undergo natural selection. All living things reproduce, copying their genetic material and passing it on to their offspring. Thus, the ability to copy the molecules that encode genetic information is a key step in the origin of life — without it, life could not exist.

How did life on Earth begin? Here are 3 popular theories.

https://www.nationalgeographic.com/science/article/early-life-earth-theories
How did life emerge from non-life on a hot and rocky planet? Learn about the lightning, outer space, and ocean hypotheses, and the evidence for each.

The Origin of Life on Earth | Scientific American

https://www.scientificamerican.com/article/origin-of-life-on-earth/
How did life arise from nonliving matter 3.7 billion years ago? Explore the latest clues and theories on the origin of RNA, DNA, proteins and cells.

How Did Life Begin? - Nature

https://www.nature.com/articles/d41586-018-05098-w
This article reviews the latest advances and challenges in understanding how life emerged on Earth and whether it is common in the universe. It focuses on the role of RNA, the chemical diversity of planets, and the detection of biosignatures.

Life - Evolution, History, Earth | Britannica

https://www.britannica.com/science/life/Evolution-and-the-history-of-life-on-Earth
Learn how life evolved from common ancestors since its origin on Earth, and how natural selection and convergence shaped its diversity. Explore the geologic record and the evidence for the earliest life forms, from bacteria to eukaryotes.

Origins of life: Uncovering the mystery of how life began on Earth

https://www.newscientist.com/article/mg26034631-300-how-we-will-discover-the-mysterious-origins-of-life-once-and-for-all/
This article reviews the progress and challenges of understanding how life on Earth began 70 years ago. It explores the latest findings on DNA, amino acids, chemical reactions and early Earth conditions, and a radical new theory of a chemical big bang.

Life | Definition, Origin, Evolution, Diversity, & Facts | Britannica

https://www.britannica.com/science/life
Learn about life as a process, a phenomenon, and a diversity of forms on Earth. Explore the scientific approaches and challenges of defining and studying life, from metabolism to extraterrestrial life.

Abiogenesis - Wikipedia

https://en.wikipedia.org/wiki/Abiogenesis
Abiogenesis is the natural process by which life arises from non-living matter, such as simple organic compounds. The article covers the history, stages, hypotheses, and evidence of abiogenesis, as well as the challenges and approaches of the scientific study of life's origin.

From soup to cells: The origin of life - Understanding Evolution

https://evolution.berkeley.edu/from-soup-to-cells-the-origin-of-life/
However, within the field of evolutionary biology, the origin of life is of special interest because it addresses the fundamental question of where we (and all living things) came from. Many lines of evidence help illuminate the origin of life: ancient fossils, radiometric dating , the phylogenetics and chemistry of modern organisms, and even

Hypotheses about the origins of life (article) | Khan Academy

https://www.khanacademy.org/science/ap-biology/natural-selection/origins-of-life-on-earth/a/hypotheses-about-the-origins-of-life
Learn about the Oparin-Haldane hypothesis, the Miller-Urey experiment, and the RNA world hypothesis, which are some of the main ideas about how life arose on Earth. Explore the evidence, challenges, and controversies of these hypotheses.

7 Theories on the Origin of Life | Live Science

https://www.livescience.com/13363-7-theories-origin-life.html
The answer to the origin of life remains unknown, but here are scientists best bets

18.9: The Origin of Life - Biology LibreTexts

https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/18%3A_Evolution/18.09%3A_The_Origin_of_Life
To account for the origin of life on our earth requires solving several problems: How the organic molecules that define life, e.g. amino acids, nucleotides, were created. How these were assembled

Studying the origin of life - Understanding Evolution

https://evolution.berkeley.edu/from-soup-to-cells-the-origin-of-life/studying-the-origin-of-life/
Studying the origin of life. The origin of life might seem like the ultimate cold case: no one was there to observe it and much of the relevant evidence has been lost in the intervening 3.5 billion years or so. Nonetheless, many separate lines of evidence do shed light on this event, and as biologists continue to investigate these data, they

The origin of life: what we know, what we can know and what we will

https://royalsocietypublishing.org/doi/10.1098/rsob.120190
The origin of life (OOL) problem remains one of the more challenging scientific questions of all time. In this essay, we propose that following recent experimental and theoretical advances in syste

Timeline of the evolutionary history of life - Wikipedia

https://en.wikipedia.org/wiki/Timeline_of_the_evolutionary_history_of_life
The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth.Dates in this article are consensus estimates based on scientific evidence, mainly fossils.. In biology, evolution is any change across successive generations in the heritable characteristics of biological populations.

The Origin of Life on Earth -Theories and Explanations - BYJU'S

https://byjus.com/biology/origin-life-overview/
Learn about the origin of the universe, the earth and the first life forms on earth according to different theories and experiments. Explore the concept of evolution and the role of organic molecules in the origin of life.

Origin of Life Theories - ThoughtCo

https://www.thoughtco.com/origin-of-life-theories-1224553
Scientists have developed several theories to explain how inorganic molecules—the building blocks of life—joined together to form living cells.

The Origin of Life - The Search for Life's Origins - NCBI Bookshelf

https://www.ncbi.nlm.nih.gov/books/NBK235415/
What sparked the origin of life on the early Earth? As historians, we must gather our records and try to make sense of them. There are, at present, four primary sources of information: (1) the record of the early solar system, as preserved in comets or carbonaceous chondrites and on the surfaces of Mars or the Moon; (2) the record of terrestrial rocks—geology; (3) the record of ancient

Biology - Origin, Evolution, Life | Britannica

https://www.britannica.com/science/biology/The-study-of-the-origin-of-life
Learn how scientists disproved the theory of spontaneous generation and explored the possibility of life arising from nonliving matter on early Earth. Explore the history and methods of biological expeditions and discoveries.

Pride Month explained: What it is and how it is celebrated - USA TODAY

https://www.usatoday.com/story/news/nation/2024/06/01/pride-month-explained/73937777007/
Pride Month starts June 1 and there's a lot to celebrate. We're explaining what the month means, the history, flag and upcoming parades near you.

'It was the cleverest escape in the prison's 30 years': The men who

https://www.bbc.com/culture/article/20240607-it-was-the-cleverest-escape-in-the-prisons-30-years-the-men-who-broke-out-of-alcatraz-with-a-spoon
On 12 June 1962, three men escaped from the notorious Alcatraz prison. While their fate remains unknown, the ingenuity of their escape continues to captivate.

Kids learn about LGBTQ+ history in Rob Sanders' 'Queer and Fearless'

https://www.tampabay.com/life-culture/arts/books/2024/06/17/kids-learn-about-lgbtq-history-rob-sanders-queer-fearless/
If your kids ask that question, Rob Sanders is ready to help with "Queer and Fearless: Poems Celebrating the Lives of LGBTQ+ Heroes," his latest book for readers ages 6 to 9. Sanders, a

Nicola Coughlan's Full Dating History - ELLE

https://www.elle.com/culture/celebrities/a61062055/nicola-coughlan-boyfriend-dating-history/
All about Nicola Coughlan's romantic and dating history from Derry Girls to Bridgerton and her rumored romance with Luke Newton.

Life - Wikipedia

https://en.wikipedia.org/wiki/Life
Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from matter that does not. It is defined descriptively by the capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction. All life over time eventually reaches a state of

The Secret History Behind Pitchfork's Most Notorious Review

https://www.theringer.com/music/2024/4/2/24118331/pitchfork-jet-review-monkey-piss-ray-suzuki
The Ballad of Ray Suzuki: The Secret Life of Early Pitchfork and the Most Notorious Review Ever "Written" In 2006, Pitchfork panned Jet's sophomore album not with words, but with a video of

Juneteenth 2024 events near me: Celebrating at DuSable Black History

https://abc7chicago.com/post/juneteenth-2024-events-celebrating-dusable-black-history-museum/14950842/
What is Juneteenth? It marks the day in 1865 when enslaved people of African descent in Galveston, Texas learned that they were free.