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Science News for March 16, 2025


Earnings news cause immediate stock price jumps, sometimes moving whole market

A study from UC San Diego's Rady School of Management finds that earnings reports can move stock prices in milliseconds, triggering significant movements. The research analyzed over 89 billion after-hours stock quotes and found a spillover effect, where one company's announcement affects other firms' stock prices.

SourceUniversity of California - San Diego·JournalJournal of Financial Economics·TypeData/statistical analysis·DateMar 16, 2025

Adolescents with mental health symptoms more likely to use multiple nicotine products, particularly e-cigarettes, new international research finds

A recent study led by Emily Hackworth and colleagues found that youth with internalizing mental health symptoms are more likely to turn to nicotine products. The analysis showed a strong association between non-combustible product use, including e-cigarettes, and poor mental health among adolescents.

SourceArnold School of Public Health·JournalNicotine & Tobacco Research·DateMar 16, 2025

Push to return to "traditional" masculinity imposes costs on men, BGU social psychologist maintains

A Ben-Gurion University social psychologist argues that toxic masculinity and traditional gender roles impose significant costs on men, affecting their personal and professional lives. Men are pressured to conform to narrow standards of masculinity, leading to increased stress and negative mental and physical health outcomes.

SourceBen-Gurion University of the Negev·JournalProceedings of the National Academy of Sciences·TypeCommentary/editorial·DateMar 16, 2025

New NUS study: Poor sleep health linked to increased Type 2 diabetes risk in high-risk women with history of gestational diabetes

A new study found that poor sleep health is associated with a higher risk of developing Type 2 diabetes among women with a history of gestational diabetes. Women who slept six hours or fewer per night had a 32% higher risk compared to those who met the recommended seven to eight hours of sleep.

Conclusion of global, multicentre trial defines aspirin’s role in reducing colorectal cancer recurrence

The ASCOLT trial found that aspirin does not statistically improve disease-free survival for all patients but demonstrates a consistent trend of improving overall and disease-free survival. Aspirin taken for up to 3 years is efficacious in patients with PIK3CA mutation, reducing recurrence by over 50%.

SourceSingHealth·JournalThe Lancet Gastroenterology & Hepatology·TypeRandomized controlled/clinical trial·DateMar 16, 2025

Left-right symmetry-breaking of a cellular flow occurs earlier than node formation

Researchers from Kumamoto University and colleagues found that left-right symmetry-breaking occurs prior to node formation, indicating a tightly regulated program for asymmetry. This study demonstrates the involvement of physical mechanisms in biological patterning using quantitative biophysical parameters.

SourceKumamoto University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 16, 2025

Burden of cardiovascular disease caused by extreme heat in Australia to more than double by 2050

Research published in the European Heart Journal suggests that Australia's burden of cardiovascular disease caused by extreme heat will more than double by 2050. The study found that hot weather costs around 49,483 years of healthy life annually, with this number expected to increase significantly under climate change scenarios.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·TypeObservational study·DateMar 16, 2025