Archaeology Could Benefit From Computer Modeling

Archaeology Could Benefit From Computer Modeling

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…
Global Warming May Worsen Allergies, Study Finds

Global Warming May Worsen Allergies, Study Finds

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 Developing Molecular Robots

Researchers Developing Molecular Robots

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…
Case History: Medical And Ethical Quandary

Case History: Medical And Ethical Quandary

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

A Global Warming Skeptic Clouds The Issues

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…
Where Are All The Aliens?

Where Are All The Aliens?

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…
Scientists, Ye Pedantic Jerks

Scientists, Ye Pedantic Jerks

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 Next Fifty Years of Science

The Next Fifty Years of Science

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 Lexicon

The Cyc Lexicon

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…
Leibniz, Complexity and Incompleteness

Leibniz, Complexity and Incompleteness

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…
Understanding Visual Scenes

Understanding Visual Scenes

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…
The fourth dimension

The fourth dimension

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

Economics And Climate Change

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…
"Safe" Cigarettes Not Any Safer, Study Finds

"Safe" Cigarettes Not Any Safer, Study Finds

To avoid of the health risks associated with traditional cigarettes, attempts have been made to develop cigarettes that contain no tobacco and no nicotine. But a team of researchers writing in Cell…
Silver And Earth's Volatile Origins

Silver And Earth's Volatile Origins

By analyzing tiny variations in the isotopic composition of silver in meteorites and Earth rocks, scientists are putting together a timetable of how our planet was assembled 4.5 billion years ago.…
New Look At How The Brain Produces Language

New Look At How The Brain Produces Language

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…