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Extra testosterone reduces your empathy

A new study from Utrecht and Cambridge Universities has for the first time found that an administration of testosterone under the tongue in volunteers negatively affects a person’s ability to ‘mind read’, an indication of empathy. The findings are published this week in the journal Proceedings of the National Academy of Sciences.

Ancient body clock discovered that helps to keep all living things on time

The mechanism that controls the internal 24-hour clock of all forms of life from human cells to algae has been identified by scientists. Not only does the research provide important insight into health-related problems linked to individuals with disrupted clocks – such as pilots and shift workers – it also indicates that the 24-hour circadian clock found in human cells is the same as that found in algae and dates back millions of years to early life on Earth.

Dementia sufferers form incomplete memories

Memory difficulties such as those seen in dementia may arise because the brain forms incomplete memories that are more easily confused, new research from the University of Cambridge has found. The findings are published today in the journal Science.

Researchers liberate a ‘liberal gene’

Liberals may owe their political outlook partly to their genetic make-up, according to new research from the University of California, San Diego, and Harvard University. Ideology is affected not just by social factors, but also by a dopamine receptor gene called DRD4. The study’s authors say this is the first research to identify a specific gene that predisposes people to certain political views.