Uncertainty is inherent to science and exploited by those who wish to stymie regulations that would promote environmental quality and public health. Chemical companies, oil companies, tobacco companies, and many others, kept their products on the marketplace and promoted consumerism by stressing the unsettled nature of

In the early 1990s, scientists discovered that sperm counts in industrialized countries had declined precipitously over the previous half century. It turns out that the incidence of other reproductive health problems beyond male infertility also increased in the latter part of the 20th century and into the 21st century

The boundaries of science are clear, and can be demarcated by the concept of falsifiability. Or so we learn in our science classes. But with some areas of science, falsifiability is not the critical feature, and may be impossible on theoretical or empirical grounds. Worrying about falsifiability might even get in the w

Frank A. von Hippel is a professor of ecotoxicology at Northern Arizona University. Frank was born and raised in Alaska, received his A.B. in biology at Dartmouth College in 1989, and his Ph.D. in integrative biology at the University of California, Berkeley in 1996.  He taught for Columbia University (1996-1999) and t

Whistleblowers are admired or vilified. They are saviors of democracy or traitors to their country. They confront those in power and drive the news, and some, such as Edward Snowden and Chelsea Manning, are household names. But one man is their inspiration, the person who made whistleblowing a phenomenon of modern time

Nothing is more human than language, and no one has done more to advance the science of linguistics than Noam Chomsky. Noam was born in 1928, and completed undergraduate and graduate degrees at the University of Pennsylvania just after the Second World War. He earned his PhD in 1955, and by 1957, he was already publish