biology

Researchers have unveiled a paper-thin swimming robot powered by living muscle cells rather than motors. The soft robot can navigate its way through a watery maze, showing how engineered biological tissue can be used to drive tiny machines. The work highlights progress in biohybrid robotics, where living cells give devices flexibility and responsiveness that conventional actuators cannot match.

Anthropic is facing questions over claims that its AI systems achieved a significant breakthrough in biology. CNET asked working scientists to assess the claim, and reactions appear divided, with experts urging caution about how such achievements should be interpreted and verified. The debate touches on a broader tension in AI research: how to evaluate dramatic capability claims when independent validation in complex scientific fields is slow and difficult.

A new study reports that people with internet addiction show signs of exhausted physiological stress systems, suggesting heavy compulsive internet use may wear down the body's stress response. The finding is drawing attention among health researchers and commentators, who say it adds biological evidence to concerns about excessive screen and online use affecting physical health, not just behaviour or mood.

National Guard units are conducting training exercises to prepare for chemical and biological threats. The teams are practicing detection, protection and response procedures for hazardous-material incidents. The training highlights the Guard's civil-support role in dealing with attacks or accidents involving dangerous agents, and it is drawing attention as a military capability relevant to domestic preparedness.

Researchers led by Dr. Jona Kayser at MPZPM report that physical processes in dense cell populations strongly influence the best timing of treatment cycles, with implications for both cancer therapy and antibiotics. Treatment resistance remains one of the central challenges in medicine, and the findings suggest that timing could be adjusted based on how tightly cells pack together rather than on biology alone. The work points to new ways of scheduling therapies to delay or avoid resistance.

Anthropic says its biology lab has already found something big, according to a TechCrunch report. The company has not publicly detailed the nature of the finding, which is being linked to its AI-driven research efforts. Reaction online is limited so far, with readers largely debating what the announcement could involve and waiting for more concrete results from the lab.

The US Department of Education has removed Biden-era gender identity expansions from Title IX regulations, narrowing federal sex discrimination protections in education to biological sex. The move reverses guidance that had extended Title IX coverage to gender identity and is expected to affect how schools handle policies on transgender students, sports participation, and facilities nationwide.

Chemists report finding a crown-shaped sulfur ring inside mammalian cells, according to Chemical & Engineering News. The structure, an eight-membered sulfur ring, was reportedly observed directly in living cells, a rare detection given sulfur compounds' instability and difficulty of measurement. The finding could reshape understanding of sulfur chemistry in biology and how such molecules form and persist inside cells.

New research suggests donor hearts may take on the biological age of their recipients after transplantation, rather than retaining the age of the original donor. Reported by Scientific American, the finding could reshape how doctors think about organ aging, rejection risk and long-term outcomes for transplant patients.

Estonia has announced a partnership with French AI biotech company Owkin to advance sovereign AI capabilities in biology and life sciences. The collaboration aims to strengthen Estonia's control over its biological data and AI infrastructure. Further details about the scope and funding of the agreement have not yet been made public.

Questions are being raised about whether advanced AI systems could help people develop biological weapons, and how serious that risk actually is. The debate touches on whether AI models could provide meaningful uplift for bioweapons, what safeguards labs and companies should put in place, and how regulators should respond. Experts remain divided, with some warning of catastrophic potential and others calling current fears overstated.

Researchers report a water-stable catalyst that can form carbon-carbon bonds in aqueous conditions, a step toward using this type of chemistry inside living cells. Such reactions previously required organic solvents, limiting biological applications. A catalyst that tolerates water could open the door to new bioorthogonal tools for labelling and manipulating molecules in living systems.

A new commentary in Nature examines the growing intersection of synthetic biology and bioprocess engineering. The piece highlights how designed biological systems are increasingly being integrated into industrial-scale production, requiring closer collaboration between engineers who optimise manufacturing and biologists who build novel organisms. The discussion matters for sectors including pharmaceuticals, biofuels and sustainable materials, where scaling laboratory breakthroughs into viable commercial processes remains a key bottleneck.

Anthropic has opened a new biology lab, a move that signals the AI company is setting its sights beyond building artificial intelligence. The lab suggests Anthropic intends to apply its technology directly to scientific research in biology, positioning the company as a player in the life sciences and not just a maker of AI models.

New reporting highlights how soil biology could help Canadian winter wheat farmers use nitrogen more sustainably. Researchers point to the role of soil microorganisms in naturally supporting nutrient availability, which could reduce reliance on synthetic fertiliser while maintaining yields. The topic matters as agriculture faces pressure to cut fertiliser emissions and input costs.

A report from the Genesis Mission initiative examines how artificial intelligence is being applied to fusion energy research and biological design. The document highlights the role of AI and high-performance computing in accelerating scientific discovery in these fields. Details of the report's specific findings and the response from researchers have not yet been widely reported.

New laboratory experiments suggest that key biological compounds can form in clouds as acidic as Venus's, challenging the long-held assumption that the planet's sulfuric acid atmosphere is too hostile for complex chemistry. The findings, reported by Gizmodo, renew debate over whether Venus's clouds could be more hospitable than believed, and energize discussion about future missions and the search for life there.

Researchers publishing in Communications Biology report that deletions and regulatory disruption of the Y chromosome recur across cancers, suggesting loss of this chromosome may play a functional role in tumour development rather than being a harmless byproduct. The findings add to growing interest in how sex chromosome instability shapes cancer risk and progression in men.

A reported experiment in which scientists applied pressure to a leg bone appears to have contributed to healing in the brain, an unexpected connection between the two. The finding suggests that physical stimulation of bone tissue may trigger biological responses that aid neurological recovery. Details about the researchers, method, and results remain limited, but the surprising link between a limb and brain repair is drawing curiosity.

Researchers at the University of Cambridge report that sex differences in attention can be detected in newborns, suggesting the differences emerge far earlier in development than previously thought. The finding is drawing attention online, with readers debating what it means for the long-running discussion over how biological and environmental factors shape cognitive differences between males and females.

Anthropic says its artificial intelligence systems have contributed to a biology discovery, according to the company's announcement. The claim highlights a growing push by AI developers to show their models producing genuine scientific findings rather than just answering questions. Details of the discovery and how the AI contributed remain limited so far, and outside researchers have not yet weighed in on the significance of the claim.

Scientists conducting deep-sea research have discovered an unexpected creature living around 3,000 feet beneath the ocean's surface. One of the researchers described the sighting as shocking, suggesting the animal was found well outside its known habitat or depth range. The finding is drawing attention from marine biology enthusiasts and highlights how little is still known about life in the deep ocean.

New research suggests that analysing the biology of prostate cancer tumours can help doctors identify which patients are most likely to benefit from hormone therapy. The findings could support more personalised treatment decisions, allowing clinicians to target therapy at those most likely to respond rather than applying it universally. The report has drawn attention in medical news coverage.

Researchers say blood tests have identified why astronauts often suffer constipation during spaceflight, pointing to changes in the body measurable in the blood while in orbit. The finding sheds light on a common but rarely discussed problem of long-duration missions and could help protect crew health on future trips to the Moon and Mars.

Scientific American's latest science roundup covers the rising energy demands of artificial intelligence, ongoing efforts to detect subatomic particles, and research into an amoeba that thrives at extreme temperatures. The episode ties together the environmental cost of the AI boom with fundamental physics and biology discoveries, offering a snapshot of current conversations across science news.

Researchers report that artificial intelligence can identify signs of aging in blood stem cells by analyzing images of cell nuclei alone, without other biological markers. The finding suggests nuclear appearance carries measurable information about cellular aging. If validated, the approach could offer a simpler way to study blood stem cell aging and age-related declines in the immune and blood systems.

A laboratory at Caltech in Pasadena has been awarded $2.4 million to investigate where infertility may begin. The funding will support research into the earliest biological roots of infertility, an issue affecting many people worldwide. Details on the specific researchers or lines of study involved have not yet been made widely available.