Constance Holden, a veteran reporter for Science magazine, died suddenly after being struck on her bike by a National Guard truck

Here is an excerpt from one of her articles:

By studying twins and adopted children, scientists have ascertained that genes have a marked effect on cognitive abilities, although this finding is still not accepted by many social scientists. Most behavioral geneticists now agree that the heritability of IQ is somewhere between 50 and 70 percent. But research on the genetics of personality is a more slippery area than IQ because measurements are not as old and well-validated, and personality characteristics are not as stable as IQ. Nonetheless, some provocative findings have emerged.