There are also questions around the safety and ethics of stem cell treatments which would need to be addressed.

BBC: Deaf gerbils 'hear again' after stem cell cure

An independent committee charged with monitoring the safety and ethics of the study from a patient perspective told Lewis that the company might consider tracking the patients longer to see if those that got palifosfamide would live longer.

FORBES: A Biotech Billionaire's Latest Drug Bet Implodes

Bill Frist, R-Tennessee, chairman of the Committee of Public Health and Safety, which is looking into the ethics of cloning.

CNN: Senate weighs ethical implications

The development, documented in the peer-reviewed journal Science, may stir anew nagging questions of ethics, law and public safety about artificial life that biomedical experts have been debating for more than a decade.

WSJ: Scientists Create First Synthetic Cell

Through virtual interaction with others, the game exposes students to a wide variety of concepts such as ethics, privacy, research and safety.

ENGADGET: Educators battle Eternal September by teaching digital citizenship with MinecraftEdu

Now, you could, if you wished to, say that rising wages, better working conditions and greater workplace safety are all evidence of an increase in the ethics, or the ethical behaviour, of the employers.

FORBES: Has Apple Become More Ethical Since Steve Jobs' Death A Year Ago?