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NEWSLETTER No. 146

March 2026

SPECIAL REPORTS

A genetic study on embryo inviability reopens the bioethical debate after using 139,000 human embryos

A genetic study on embryo inviability reopens the bioethical debate after using 139,000 human embryos

A recent study by Johns Hopkins University published in Nature has identified specific maternal genetic variants that explain the high rate of embryo inviability and pregnancy loss due to aneuploidy. Although the finding sheds light on the molecular causes of infertility through the large-scale analysis of 139,000 embryos created through in vitro fertilization (IVF), the research raises a serious bioethical …
A brain implant partially restores sight to a blind patient three years after injury

A brain implant partially restores sight to a blind patient three years after injury

A patient who had been blind for three years due to ischemic optic neuropathy has partially recovered his vision thanks to the implantation of a microelectrode array in his visual cortex. The patient, who lost his sight due to an injury to the optic nerve caused by a “bilateral non-arteritic anterior ischemic optic neuropathy”, has partially recovered his vision. The …
Artificial intelligence, gene editing, and nuclear fusion: the technological convergence that will redefine human progress

Artificial intelligence, gene editing, and nuclear fusion: the technological convergence that will redefine human progress

The history of human progress is inextricably linked to scientific knowledge and technological development. Today, at the dawn of a new era marked by artificial intelligence (AI), gene editing and nuclear fusion, mankind is facing an unprecedented promise of well-being and abundance. However, the greater the transformative power of the technology, the more urgent the question of its direction becomes: …
The Fox Varian case: doctors who authorized her transition despite ignoring her autism and anxiety condemned for malpractice

The Fox Varian case: doctors who authorized her transition despite ignoring her autism and anxiety condemned for malpractice

The case of Fox Varian, who was awarded $2 million in damages after suing the doctors who facilitated her gender transition while she was a minor, reopens the debate about the lack of rigor in dysphoria diagnoses and the irreversibility of treatments in adolescents. This court ruling highlights the negligence of doctors who ignored pre-existing conditions such as autism or …
The Bioethics Observatory will analyze the ethical challenges of synthetic biology at an international congress

The Bioethics Observatory will analyze the ethical challenges of synthetic biology at an international congress

On April 20, 2026, the congress “Synthetic Biology and the Human Future: Possibilities, Limits, and Bioethical Challenges,” organized by the Bioethics Observatory, will take place. This event seeks to address the new ethical frontiers that arise from the current capacity to create and transform life through biotechnological advances. According to the organizers, the creation in the laboratory of structures such …
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