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Phys.org / NASA and families of fallen astronauts mark 40th anniversary of space shuttle Challenger accident

Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark that tragic day 40 years ago.

Jan 22, 2026 in Astronomy & Space
Medical Xpress / Small number of 'highly plastic' cancer cells drive disease progression and treatment resistance

A small number of cancer cells with the ability to change their identities and behaviors appear to be a key driver of cancer progression and its ability to evolve resistance to treatment.

Jan 21, 2026 in Oncology & Cancer
Medical Xpress / Helping people with dementia have a say in their medical care

A new resource is helping people with dementia speak to their doctors and health care professionals about their medicines with more confidence.

Medical Xpress / Q&A: At-home HPV tests may usher in a new era for cervical cancer screening

Regular cervical cancer screening using HPV testing and/or Pap tests can prevent up to 90% or more of cervical cancers by detecting and treating precancerous lesions early, making it one of the most preventable cancers. Yet, ...

Medical Xpress / Trees, not grass and other greenery, associated with lower heart disease risk in cities

A multi-institutional study led by the University of California, Davis, finds that living in urban areas with a higher percentage of visible trees is associated with a 4% decrease in cardiovascular disease. By comparison, ...

Jan 21, 2026 in Health
Phys.org / Velocity gradients prove key to explaining large-scale magnetic field structure

All celestial bodies—planets, suns, even entire galaxies—produce magnetic fields, affecting such cosmic processes as the solar wind, high-energy particle transport, and galaxy formation. Small-scale magnetic fields are ...

Jan 21, 2026 in Physics
Medical Xpress / Manipulating blood CO₂ levels may help clear toxic proteins from the brain

Abnormal clumps of proteins like α-synuclein, amyloid beta and tau are associated with neurodegenerative conditions like Parkinson's and Alzheimer's disease, but a waste removal mechanism called the glymphatic pathway can ...

Jan 21, 2026 in Neuroscience
Phys.org / New method creates acinar cells involved in formation of pancreatic cancer

Organoids are three-dimensional miniature models of organs, grown in a dish. They have become a valuable tool for studying human development, organ regeneration, function, and disease progression. Organoids derived from patient ...

Jan 21, 2026 in Biology
Medical Xpress / Researchers establish the cause of keratoderma-associated foot odor

The distinct foot odor that comes with the skin disorder Nagashima-type palmoplantar keratosis (NPPK) is caused by the overgrowth of a specific bacterial strain, according to a study published in the Journal of Investigative ...

Phys.org / Natural peptides from cyanobacteria offer eco-friendly solution to marine biofouling

A new CIIMAR study demonstrates that natural peptides produced by cyanobacteria are capable of replacing toxic biocides that dominate the market for anti-fouling paints used in the maritime industry. The use of these peptides ...

Jan 21, 2026 in Biology
Phys.org / Scientists design artificial pain receptor that senses pain intensity and self-heals

All over the body are tiny sensors called nociceptors whose job is to spot potentially harmful stimuli and send warning signals to the brain and spinal cord, helping protect us from injury or tissue damage.

Jan 18, 2026 in Chemistry
Phys.org / New tools measure 'woke' attitudes on both left and right political spectrums

Oskari Lahtinen, Senior Researcher at the INVEST Research Flagship Center at the University of Turku in Finland, has developed validated tools for studying "woke" attitudes on both the political left and the political right.

Jan 22, 2026 in Other Sciences