A former US marine who lost her left arm at the shoulder in a motorcycle accident has been fitted with a bionic prosthetic arm that allows her to feel things through the fake fingers. Claudia Mitchell, 37, never thought she'd be able to do things like open water bottles or pick up items with her left thumb and forefinger again after her arm was amputated. However, through more than a decade of research trials a team at Cleveland Clinic has created a bionic prosthetic arm that allows her to do most of those things she didn't think would ever be possible. The cutting-edge technology is part of a booming field of research into prosthetics that could revolutionize movement for amputees. Claudia Mitchell, 37, lost her arm at the shoulder in a motorcycle accident in 2004.

Here are five ways a human can combat risks in machine learning applications. An ethical hacker is a trusted security professional who breaks into a system to discover machine learning vulnerabilities overlooked by a firewall, an intrusion detection system or any other security tools. In a simple scenario of gaining access, the ethical hacker uses a fake finger reconstructed from the fingerprint left behind by a legitimate user on a dirty device. To combat these risks, the device reader must be free of dirt, grease and moisture after each use and the database should be encrypted. A system administrator has super user privileges to analyze machine learning log files.