Fascination with twins and what twin studies tell us about human nature is universal. There is no question that behavioral and medical science advances have happened largely because twins yield a ...

Quick Read A 2014 Swedish twin study analyzing 30,000 sets of twins found that roughly 45% of investing behavior—including ...

In the ongoing debate over nature versus nature, twin studies have given a glimpse into the role of genes in behavior and decisions. Psychologist... Twins are a mirror to each other – and a window ...

I recently studied a 12-year-old identical male twin pair, Jim and Carl. Interestingly, their mother revealed that her twins were being raised in different religions, i.e., her husband's and her own. ...

Genetic influence measured: Researchers found IQ to be roughly 75% heritable, with genes explaining most of the IQ-to-success link in early adulthood. Nature vs. nurture: The study challenges the ...

Why do some people live to 100 while their sibling dies decades earlier? Is it luck, lifestyle, or something written into their DNA? Relative to many other species, humans are particularly long-lived, ...

When we think of identical twins, we often imagine mirror images — same face, same smile and perhaps even the same talents. But what surprises many is that these genetic carbon copies can have ...

The way our brain processes different emotional and cognitive tasks may be underpinned by common factors, find scientists from UNSW and Neuroscience Research Australia (NeuRA). In this latest study, ...

How much an infant cries is largely steered by their genetics and there is probably not much that parents can do about it. This has been shown in a new Swedish twin study from Uppsala University and ...