Prolonged breast-feeding is associated with higher intelligence in adulthood, longer schooling, and higher adult income, according to a study published March 17 in the Lancet Global Health. "Our study ...

Ever been called lazy for certain habits you just can’t shake? Good news – some of those so-called ‘lazy’ behaviors might actually be signs of higher intelligence. Scientists have found connections ...

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We all like to think we’re a little smarter than the average person. And while IQ tests aren’t something most of us take every day, there are little signs in your daily habits that might hint at just ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. How is intelligence measured in your corner of the world? For many people, it boils down to school ...

Add Yahoo as a preferred source to see more of our stories on Google. We often think about intelligence in terms of IQ tests or how we scored on high school biology quizzes. You may think you need a ...

You talk to yourself while problem-solving, planning, or navigating daily tasks. Maybe you narrate your actions aloud or hold full conversations with yourself. People might think this is odd. Research ...

If there's ever been banter about who is the most intelligent among your siblings at a family gathering, science has tipped the balance towards the eldest child. A study that evaluated available data ...

We often think about intelligence in terms of IQ tests or how we scored on high school biology quizzes. You may think you need a Ph.D. (or three) to earn "intelligent" status. While straight A's and ...