
For centuries, extinction was considered the ultimate endpoint of life. Once a species disappeared from Earth, it was gone forever, surviving only in fossils, museum exhibits, and history books.
Today, however, a new generation of scientists, geneticists, and entrepreneurs is challenging that assumption. Their goal is not merely to preserve endangered animals but to explore whether extinct species can, in some form, be brought back to life.
At the centre of this bold movement is Ben Lamm, CEO and co-founder of Colossal Biosciences, a company that has transformed the once science-fiction concept of de-extinction into a serious scientific endeavour. Founded in 2021 by Ben Lamm and renowned geneticist George Church, the Dallas-based biotechnology company is pioneering what many are calling the era of "re-aliving" lost species.
What Does Re-Aliving a Species Mean?
The term "de-extinction" often evokes images of Jurassic Park-style resurrections. In reality, the science is far more complex and nuanced.According to Colossal Biosciences, de-extinction involves creating animals that are genetically similar to extinct species by restoring key genetic traits through advanced gene editing technologies rather than cloning an entire extinct organism.
Scientists analyse ancient DNA recovered from fossils, preserved tissues, or remains found in permafrost. By comparing this DNA with that of a living relative, researchers identify the genes responsible for distinctive traits.
Technologies such as CRISPR are then used to edit the DNA of the living species, potentially producing animals that resemble their extinct ancestors.
In essence, re-aliving a species is not about turning back the clock. It is about reconstructing biological characteristics that have been lost to time.
The Mammoth Mission
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Among the most ambitious projects undertaken by Colossal Biosciences is the effort to recreate the woolly mammoth. Scientists are studying mammoth DNA preserved in Arctic permafrost and comparing it with the genome of the Asian elephant, the mammoth's closest living relative.
The goal is to introduce mammoth traits such as cold-resistant hair, fat storage adaptations, and other survival characteristics into elephant cells. The resulting animal would not be an exact woolly mammoth but a mammoth-like elephant capable of thriving in cold environments.
Supporters believe such animals could eventually contribute to ecosystem restoration efforts in Arctic regions, while critics argue that the ecological consequences remain uncertain.
More Than Mammoths
The company's vision extends beyond the Ice Age giant. Researchers are also working on projects involving the dodo, Tasmanian tiger (thylacine), dire wolf, and other extinct species.![]() |
| A 2-years old Dire Wolf |
These projects have generated global attention because they represent the possibility of restoring species that vanished due to natural events or human influence. They also serve as testing grounds for technologies that could help living species survive in an increasingly challenging world.
A New Tool for Conservation
Perhaps the most compelling argument for re-aliving lost species is its potential impact on conservation.According to Ben Lamm, the technologies being developed for de-extinction can also be applied to endangered animals. Techniques such as gene editing, reproductive technologies, stem-cell engineering, and biodiversity preservation could help species that are currently at risk of disappearing.
Many conservationists see value in these innovations because traditional conservation methods alone may not be enough to counter habitat loss, climate change, disease, and declining genetic diversity. By creating new scientific tools, researchers hope to strengthen existing conservation efforts rather than replace them.
The Ethical Questions
As exciting as the science may be, it raises profound ethical questions.Should humans attempt to reverse extinction? Can recreated animals truly be considered the same species as those that once existed? Would resources be better spent protecting animals that are still alive today?
Some scientists argue that genetically modified animals are not genuine de-extinctions because they are modern organisms carrying selected traits from extinct species. Others worry about ecological risks and animal welfare concerns.
These debates highlight a larger question: just because science can achieve something, should it?
Rewriting Humanity's Relationship with Nature
The idea of re-aliving lost species represents one of the most ambitious scientific experiments of the twenty-first century. It challenges long-held beliefs about extinction, conservation, and humanity's role in shaping the natural world.Whether projects led by Ben Lamm and Colossal Biosciences ultimately succeed or not, they have already transformed the conversation around biodiversity and genetic technology.
For the first time in history, extinction is no longer viewed solely as a permanent ending. Instead, it is becoming a scientific frontier, one that could redefine the future of conservation and our understanding of life itself.
As genetic technology advances, the question may no longer be whether we can re-alive lost species, but how responsibly we choose to use that extraordinary power.












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