Humans may evolve bizarre features such as webbed feet and eyes like cats in response to changing environments, a scientist claims today. Experts calculated how our physical appearance could change under a number of scenarios, including a 'water world' if melting ice caps cause rising sea levels. They also considered what would happen in a second ice age which could be triggered by an asteroid strike, and if humans colonised other planets. Dr Matthew Skinner, a paleoanthropologist at the University of Kent, examined the three scenarios and worked with artist Quentin Devine to help visualise how humans could look in...