The water crisis in Flint, Michigan, has all eyes on the dangers of lead poisoning. But until President Obama declared a state of emergency in Flint last month, many of us had stopped thinking of lead exposure as a major health concern. The toxic metal was phased out of plumbing materials, gasoline and household paint way back in the 1970s and 1980s. Still, lead is something […]
Tag: IQ
What your brain activity can reveal about your attention span
During a 1959 television appearance, Jack Kerouac was asked how long it took him to write his novel On The Road. His response – three weeks – amazed the interviewer and ignited an enduring myth that the book was composed in a marathon of nonstop typing. Like the Kerouac of legend, some people possess the […]