Colossal Biosciences has made headlines by developing an innovative 3D-printed artificial eggshell, designed to cultivate living chicks outside of traditional eggs. This breakthrough occurred at the company’s Dallas headquarters, where researchers observed baby chicks moving and attempting to hatch from transparent plastic constructs rather than organic eggs. The artificial eggshell, more accurately described as a synthetic incubation system, is an oval-shaped lattice coated with a specialized silicone membrane that allows oxygen to permeate, mimicking the natural function of an eggshell.
In a unique process, Colossal poured the contents of recently laid chicken eggs into these artificial shells, allowing the embryos to develop under controlled conditions. The transparent design features a viewing window that enables scientists to monitor the chicks’ growth. Andrew Pask, the company’s Chief Biology Officer, expressed excitement at witnessing life develop outside the womb, emphasizing the potential of this technology not only for avian conservation but also in efforts to resurrect extinct species like the giant moa and the dodo. Colossal’s aim is to utilize gene-editing technologies to create animals with desired traits, having already raised substantial funding towards this mission.
While the artificial eggshell represents a significant step forward, some experts in the scientific community have raised concerns about the claims surrounding its novelty. Critics argue that the principles behind the technology are not entirely new, referencing previous work in artificial incubation by other researchers. The discussion highlights a broader conversation about the challenges of cross-species genetic manipulation, especially when it comes to larger extinct birds like the moa. As Colossal endeavors to push the boundaries of biotechnology, the collaboration and scrutiny from the scientific community will be critical in navigating the ethical implications and technical hurdles that lie ahead.
Source: Colossal Biosciences is growing chickens in a 3D-printed artificial eggshell via MIT Technology Review