In many ways, CORLEO moves like a pack animal. Its four legs operate independently, responding to subtle cues from the rider’s body. A heads-up display shows balance data and hydrogen levels.

Is the goal of phasing out animal models in 3–5 years realistic? It could be. The current guidelines state a sponsor should do safety and toxicity testing in a small and a large animal.

This $35,000 Computer Runs on Human Brain Cells. Scientists Say It’s Not Conscious—Yet. ... “Our hope is that we’re able to replace significant areas of animal testing with this.

A new book explores what the wolf’s return to the continent means for people who have never known its presence.