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Phys.org / Human cells activate self-destruction when viruses disrupt RNA production, study shows

Viruses are masters at taking over our cells: They disable our defenses and hijack the cellular machinery in order to multiply successfully. For example, the herpes simplex virus 1, which causes blister-like skin rashes, ...

7 hours ago in Biology
Phys.org / Discovery of hundreds of human gut phages provides new approach to studying the gut microbiome

Hundreds of new viruses living inside bacteria within our gut have been discovered in an international study led by Professor Jeremy J. Barr from Monash University's School of Biological Sciences and Associate Professor Sam ...

6 hours ago in Biology
Medical Xpress / Impostor study participants could distort health research and endanger patient outcomes

Impostor participants threaten the integrity of health research, and by extension, the policies and clinical decisions built on it, warn experts in The BMJ today.

3 hours ago in Medical research
Medical Xpress / Bioelectronic-integrated artificial colon eliminates need for animal testing

Researchers at the University of California, Irvine have developed a 3D human colon model integrated with bioelectronics to aid in colorectal cancer research and drug discovery. The "3D in vivo mimicking human colon" enables ...

6 hours ago in Gastroenterology
Phys.org / Record-breaking gamma ray burst seems to be caused by a black hole engulfed by a bloated star

On July 2, 2025, NASA's Fermi Gamma-ray Burst Monitor (Fermi-GBM) captured around three hours' worth of signals that appeared to come from the same source. When scientists compiled this data with signals picked up by multiple ...

14 hours ago in Astronomy & Space
Phys.org / Ancient lead exposure may have shaped evolution of human brain

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The research reveals that our human ancestors were periodically exposed to lead for over two million years, ...

7 hours ago in Biology
Phys.org / Ancient teeth reveal mammalian responses to climate change in Southeast Asia

A study published in Science Advances and led by the Max Planck Institute of Geoanthropology, uncovers how flexibility made the difference between survival and extinction. By analyzing fossil teeth from Vietnam and Laos, ...

7 hours ago in Biology
Phys.org / Combining chemical and genetic wood analysis improves detection of illegal timber trade

By combining chemical and genetic properties of wood, the origin of tropical hardwood can be determined much more accurately. This precision is needed to detect illegal timber trade. This is the main outcome of a study by ...

6 hours ago in Biology
Phys.org / High-speed imaging reveals how cilia enable marine creatures to swim

New research has unraveled the mystery of how microscopic cilia coordinate to move and propel marine creatures through water.

7 hours ago in Biology
Phys.org / Changing-look active galactic nucleus investigated by researchers

By analyzing the available data from various space observatories and ground-based telescopes, Indian astronomers have conducted a long-term multiwavelength study of a changing-look active galactic nucleus (AGN) known as NGC ...

13 hours ago in Astronomy & Space
Tech Xplore / 'Metabots' shapeshift from flat sheets into hundreds of structures

Researchers have created a class of robots made from thin sheets of material that can snap into hundreds of stable shapes, allowing them to execute a wide variety of actions despite the fact that they have no motor and are ...

7 hours ago in Robotics
Medical Xpress / Scientists identify markers of key stem cell populations driving colorectal cancer formation

Researchers from A*STAR Institute of Molecular and Cell Biology (A*STAR IMCB) have identified markers of two critical stem cell populations that drive colorectal cancer formation.

7 hours ago in Oncology & Cancer