Scientists look to the internet for new ways to help people with disabilities . Aside from everyday functions of chewing , swallowing , talking and tasting , the tongue has new uses such as steering wheelchairs and helping blind people see . Spanish doctors performed wheelchair lifts including walking this summer . Engineers are testing a wheelchair that can be steered by the tongue .
Scientists look to the internet for new ways to help people with disabilities . Spanish doctors performed wheelchair lifts including walking this summer . Engineers are testing a wheelchair that can be steered by the tongue .