When The Matrix came out in the late 1990s, its most unsettling idea was not the special effects. It was the possibility that consciousness could be placed inside an artificial world — and experience it as real. Back then, it seemed like the kind of science fiction that worked precisely because it felt impossible.
Aliaksandr Marozau
Aliaksandr Marozau
M.D., PhD Candidate. Physician, medical editor, and digital health expert with over a decade of experience at the intersection of medicine, science journalism, and technologies. His work focuses on evidence-based medicine, AI and human–computer interaction, and translating complex technological topics into clear, accessible narratives.
When a person comes to a hospital, what matters to them is that the doctor can see their test results, the front desk does not mix up appointments, the insurer receives the necessary information, and none of the examination results get lost. Most of us do not care how exactly these systems exchange data. Yet in practice, everything depends on it.
Surgical robots are already part of modern medicine, but few people seem to realize it. The paradox is that the technology is advancing rapidly: new platforms, digital ecosystems, early clinical telesurgery protocols, and even laboratory demonstrations of partial autonomy are all emerging at once. Yet when you step into a hospital, things often look much the same as they did 5 to 10 years ago. Economics, regulation, and organizational barriers are a big part of the reason.
A child who is terrified of needles becomes so absorbed in a virtual world that they barely notice the vaccination happening. A stroke patient no longer has to monotonously repeat the same arm movement, but instead lifts a virtual sword to fight a dragon. And in the operating room, a surgeon can see digital anatomy aligned with the patient instead of constantly switching attention between the body and flat 2D scans.
This article concludes our series on the Hallmarks of Aging and on the ways science may be able to influence them. Earlier in the series, we introduced the topic in an overview of the rejuvenation field, and then explored specific mechanisms in articles on genetic and epigenetic changes, protein quality control, mitochondria, and cellular senescence, and autophagy, metabolism, and stem cells. Here we focus on the final three: altered intercellular communication, chronic low-grade inflammation, and dysbiosis.
We continue to explore the causes of aging in the body, known as the hallmarks of aging, and how humanity can already influence them today in an attempt to achieve rejuvenation. Earlier, we looked at the general concept of the hallmarks of aging, as well as what can already be done about aging-related causes connected with DNA damage, telomere shortening, and epigenetic alterations, and loss of protein quality control, mitochondrial dysfunction, and cellular senescence.
Aging had long appeared to be a slow wear and tear of everything at once. As we previously mentioned, it is increasingly described today as a set of specific malfunctions that can be measured and partly corrected in animal experiments. This article looks at what can already be done about aging associated with such hallmarks as protein quality control, mitochondrial function (the cell’s power plants), and the accumulation of senescent cells – those that have stopped dividing and functioning for the benefit of the organism yet continue to damage the surrounding environment. These processes reinforce one another.
Most age-related diseases — from cancer to neurodegeneration — connect back to one core problem: over time, cells get worse at storing their DNA safely and using it correctly. In the “Hallmarks of Aging” framework(which we discussed here), researchers highlight three aging processes that sit right on top of our genetic material: DNA damage, telomere shortening, and epigenetic drift, when the settings that control gene activity get noisy.
The word “rejuvenation” covers everything from cosmetics and supplements to lab work that tries to change how cells age — and, in turn, how age-related disease risk builds up. This article is a short guide to the science-backed version of that conversation: what geroscience is, what the Hallmarks of Aging are, and why investors are pouring billions into the space.
A few weeks ago, the world’s largest annual consumer electronics exhibition — the Consumer Electronics Show (CES) 2026 — came to an end. CES 2026 delivered a parade of ambitious consumer tech: AI companions, advanced driver assistance, home humanoids, and smarter devices for everyday life. It’s impressive, yet at times the demos feel like a polished version of ideas we’ve already seen in speculative fiction, with just enough “Black Mirror” energy to make you pause.