Researchers found that overall research design and methodological criteria need to be examined closely to gauge true treatment effects in chronic pain clinical trials. In randomized controlled trials ...

The assessment of eye irritation remains a critical component in ensuring the safety of chemicals used in industrial, cosmetic and pharmaceutical applications. Historically reliant on the in vivo ...

IOWA CITY — A state lawmaker is demanding the University of Iowa immediately audit its animal testing programs and pursue alternative research methods based on a watchdog group’s findings that UI ...

The Observer has compiled a list of 2025 guides, tutorials, and manuals designed to support psychological scientists as they expand their toolboxes of research practices and methods.

Two Comment articles on reforms to animal research rightly call for compassion and innovation (T. J. Herron et al. Nature 646, 799–801 (2025); K. C. K. Lloyd Nature 646, 802–803; 2025). But ending ...