The top 1% of life science preprints on bioRxiv, validated by QED. Every preprint here is scored on evidence quality, statistical rigor, and reproducibility, with a claim-by-claim breakdown of what the paper shows and the evidence behind it. Many include the authors' own perspective on what makes their work new. Browse 19 fields, from neuroscience and genomics to immunology and cancer biology, and find rigorous, high-impact research before it reaches journals.