Piller is an investigative journalist for Science. In November 2022, Dennis Selkoe, a Harvard professor of neurologic diseases and among the most celebrated and prolific Alzheimer’s researchers, ...

The twin deficits hypothesis has long been central to macroeconomic debates, positing that a government’s chronic fiscal deficit may generate or exacerbate a current account deficit. This ...

At times we wish to examine statistical evidence, and determine whether it supports or contradicts a claim that has been made (or that we might wish to make) concerning the entire population. This is ...

In the early 20 th century, Guinness breweries in Dublin had a policy of hiring the best graduates from Oxford and Cambridge to improve their industrial processes. At the time, it was considered a ...

The word “hypothesis” has celebrity status. From Ancient Greece through the Enlightenment to Total Quality Management, the process of hypothesis testing provokes thinkers and researchers to elucidate ...

In the world of phylogenetics, there's team sponge and team comb jelly. Which creature roots the animal tree of life—the simple sponge or the more complex comb jelly—has stirred fierce debate among ...