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Phys.org / 'Hot Jupiter' orbiting a metal-poor star discovered

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new "hot Jupiter" exoplanet. The newfound alien world, designated TOI-7169 b, orbits a metal-poor star, which ...

Apr 6, 2026
Phys.org / Keeping up with the phages: How V. cholerae neighbors swap defenses against viruses

Like most bacteria, Vibrio cholerae lives under constant attack from viruses. To survive, bacteria equip themselves with antiviral immune systems. Previous work has shown that V. cholerae carries a large genetic element called ...

Apr 9, 2026
Phys.org / 'Oldest octopus' fossil is no octopus at all, scans reveal

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of Records—has turned out to be something else altogether. In what amounts to a case of mistaken identity, ...

Apr 7, 2026
Medical Xpress / Community workers sound alarm on mental health crisis for Venezuelan migrants

A new study reveals growing concern among community workers in Nariño, Colombia, about the lack of mental health support for Venezuelan migrants, especially those traveling without legal status. The study, published in PLOS ...

Apr 10, 2026
Medical Xpress / Adding 1,700 to 5,500 steps per day offsets risk of chronic disease

Adding as little as 1,700 to 5,500 steps per day can offset the risk of a list of chronic diseases—including obesity, diabetes and sleep apnea—according to a new study from a corresponding author with Vanderbilt Health.

Apr 10, 2026
Medical Xpress / Without the right tests, the best medicines make no difference

A new analysis from UC San Francisco argues that diagnostics—medical tests that match patients to the appropriate treatment—are being overlooked both in the United States and around the world. This is slowing progress against ...

Apr 9, 2026
Medical Xpress / Little-used cholesterol test could prevent more heart attacks and strokes

A routine blood test taken by millions in the U.S. each year to measure "bad" cholesterol is not the best measure to guide treatment and prevent heart attacks and strokes, suggests a new Northwestern Medicine study published ...

Apr 8, 2026
Phys.org / Compulsory sex-marking as a threat to personal autonomy

Do our norms around sex presentation uphold a constrictive gender regime? In a new article in Ethics, Ophelia Vedder writes that the abolition of hegemonic gender roles must involve the elimination of "compulsory sex-marking," ...

Apr 10, 2026
Medical Xpress / Maternal prepregnancy BMI, birth length linked to offspring atopic dermatitis

Increasing maternal prepregnancy body mass index (ppBMI) and increasing birth length are associated with offspring atopic dermatitis by age 3 years, according to a study published online March 23 in the Journal of Allergy ...

Apr 10, 2026
Medical Xpress / What does it mean to be well? Research delivers building blocks for good mental health

For decades, "mental well-being" has been one of the most used, but least agreed upon, terms in mental health. Now, a landmark study led by Adelaide University and Be Well Co has brought alignment to one of mental health's ...

Apr 10, 2026
Phys.org / Momentum-engineered photonic states make bulk silicon shine

An international team of researchers, led by scientists from the University of California, Irvine, has demonstrated a fundamentally new way to make silicon emit light—overcoming one of the most persistent limitations in modern ...

Apr 8, 2026
Phys.org / Knowledge firewalls inside alliance firms may weaken inventions and future breakthroughs

From the Wright brothers' first flight to the speedy development of COVID-19 vaccines, collaboration has been key to innovation. Paradoxically, even competitors can benefit from collaboration—when they hold different pieces ...

Apr 10, 2026