Space terrorism and testing of space tourists are theoretical problems today. But let's have conversations right now to make sure they don't become real problems in the future.
Apps and wearable devices promise greater participation and empowerment in health care. But what are we risking when we take part in this new era of participatory health?
The outgoing president leaves behind some solid accomplishments in the world of science, tech and medicine. But the biggest departure from his predecessors might have been in his approach.
Next-generation genomic research depends on study participants sharing their biological materials with scientists. But concerns over how that information is protected may hold some people back.
It's old-fashioned, out of date and varies massively from school to school.
When it comes to stem cells, the ways that informed consent has been obtained in the past are not sufficient and improvements are needed.
South Africa has no legislation setting out the rules for biobanks and the guidelines that do exist are not clear or detailed. This leaves the door wide open for unethical practises.