A Billionaire-Backed Startup Wants to Grow 'Organ Sacks' to Replace Animal Testing

R3 Bio has proposed organ sacks to replace animal testing, r3 Bio has pitched nonsentient "organ sacks" as an alternative to animal testing to investors and industry publications.

Alice Gilman said the long-term goal is to make human versions for tissue and organ sources, cofounder Alice Gilman described the company's long-term goal as making human versions usable as tissue and organ sources.

Immortal Dragons invested in R3 Bio and supports replacement strategies for human longevity, immortal Dragons has invested in R3 and described replacement as a longevity strategy.

R3 Bio is targeting monkey organ sacks first, r3 is initially aiming to create monkey organ sacks.

Monkeys were used in testing vaccines and therapeutics during the Covid-19 pandemic, monkeys were used for testing vaccines and therapeutics during the Covid-19 pandemic.