By Telegraph

There are many methods of treating tumors in the human body, most of which require an invasive procedure which involves general anesthesia. Israeli company IceCure has developed a method that turns tumors into balls of ice – eliminating the need for surgery.

Scientists have grown fully functional heart muscles by reprogramming stem cells and skin cells from patients. They found that these reprogrammed cells can “reset” the rhythm of any unhealthy heart tissue that is placed around them.

A study by scientists found that individuals could be better at problem solving on their own, as long as they were confident in their own answers.When they attempted to answer in groups, those who offered the right answer tended to be drowned out by more confident members who confused them or led them astray.