Open Bionics, a UK-based startup, has revealed a wireless bionic hand that is capable of operating even when detached from the wearer’s body. Called the Hero Pro model, the company says this prosthetic hand will provide amputees with interchangeable attachments and real-time muscle control.

Hollywood stars Johny Depp and Robert Downey Jr shine their limelight to sick children who are most in need of a smile.