A new study has found that cities with the largest increases in immigration between 1990 and 2000 experienced the largest decreases in rates of homicide and robbery. The findings suggest that…

Writing in American Antiquity, researchers from Arizona State University and North Carolina State University say archaeologists can use computational modeling to study the long-term effects of…

Elevated levels of carbon dioxide predicted by models of climate change can drive increased production of fungal spores, including some associated with allergies and asthma, according to a new study…

Researchers have programmed an autonomous molecular "robot" made out of DNA to start, move, turn, and stop while following a DNA track. The development could ultimately lead to molecular systems that…

In medicine, physicians often present case histories or case reports of an interesting situation/patient, along with the outcome (typically a diagnosis) and discussion.1 On controversial cases,…

A global Warming Skeptic Clouds The Issues This article is written in response to Dr. Roy Spencer's claims about cloud albedo effects in an article by Cameron J English: Interview With A Global…

Richard Dawkins suggested that the first measure of an intelligent species, should two chance to meet, would be whether they understood how they came to be. I imagine such a remarkable exchange of…

It is no secret that a majority of the peer-reviewed climate change literature lays blame for global warming on human greenhouse gas emissions. But despite the abundance of research supporting…

Academics pay a lot of attention to the quality of their writings. It is generally a point of pride to publish flawless documents, and this is felt in scientific disciplines just as much as in…

The scientific method which provides us with so many technological goodies does not resemble the science of 1600. Ever since Bacon, science has undergone a slow evolution. Landmarks in the history of…

The Cyc knowledge base (KB) is a formalized representation of a vast quantity of fundamental human knowledge: facts, rules of thumb, and heuristics for reasoning about the objects and events of…

I will discuss Leibniz's ideas on complexity (Discours de metaphysique, 1686), leading to modern work on program-size complexity, the halting probability and incompleteness. Leibniz's principle of…

One remarkable aspect of human vision is the ability to understand the meaning of a novel image or event quickly and effortlessly. Within a single glance, we can comprehend the semantic category of a…

Mathematician Ludwig Schläfli talks to us about objects in the fourth dimension and shows us a procession of regular polyhedra in dimension 4, strange objects with 24, 120 and even 600 faces! Watch…

Economics And Climate Change I am confident that global climate change is real. I am also confident that over-complicated knee-jerk legislation and taxation will make matters worse.  Problems…

I am constantly amazed at how pathologizing variable phenomena is usually a human social agent. Consider the XY fertile Akodon females who go roaming around in South America. No other rodents seem to…

MIT neuroscientists writing in the Journal of Neurophysiology have developed a new method to analyze brain imaging data – one that may paint a clearer picture of how our brain produces and…

A RAND corporation study examining the long-term economic consequences of childhood psychological disorders suggests the conditions diminish people's ability to work and earn as adults, costing $2.1…

A team of Yale paleontologists have discovered a rich array of exceptionally preserved fossils of marine animals in Morocco that lived during the the early part of the Ordovician, between 480 million…

Judging by recent polls, you would think that the environment is not much of a concern to Americans. And You would also be wrong, say researchers from Standford University. When pollsters ask…