Sadly, global warming has become politicized. Putting all the data together is not easy. However, there are ways of approaching the matter objectively. In the end, the conclusions each of us draw will depend on our different perceptions of risks and who w
On a clear night, some regions of the sky, such as the Milky Way, have higher densities of stars than others.
The Royal Society of London's first major publication was in 1665. It didn't anticipate this work would be a harbinger for a great leap in understanding of life. Within 15 years this august scientific society would find it necessary to abandon its ideas a
Comparing the general organization of the bodies of living and extinct organisms shows evidence of both lineal relationships and improvisation. Likewise, the DNA of organisms tells the same story.
Living things are wondrous for many reasons, but two stand out. First, all living organisms are related to one another. Comparative anatomy, embryology, DNA, the fossil record, the structure of molecules from which life is built and the metabolic processe
Monte Carlo is recognized as a Mecca for high stakes gambling. In the realm of computer software, the term "Monte Carlo" refers to a method of doing simulations of complex phenomena where odds play an essential role.
Most scientific endeavors require the application of some kind of mathematics. Foremost, it is important for modeling a wide variety of phenomena. And, where observations are quantifiable (measurable), it is used to characterize data.
A school science project designed to illustrate the solar system might include an assemblage of Styrofoam balls held together by wires. This is, quite literally, a model of the actual solar system in an easily visualized representation.Scientists develop
Upgrades performed on the Hubble telescope last year are now yielding images of objects that are 13 billion light years away. But how do astronomers know how far away those objects are?
It is awesome to imagine the principal elements making up our bodies, carbon, oxygen, nitrogen and a few others, have their origins in the incredibly hot cores of stars.The bulk of the physical universe is composed of basic elements. Ninety-two elements a
The universe would seem incomprehensible if knowledge of matter and physical laws was contradictory on vary large and small scales. Hypotheses on the workings of the universe must demonstrate consistency across all scales of size.Understanding the smalles
It is unfortunate the news media and the general public are so vulnerable to sensational claims made by charlatans and undisciplined purveyors of unproven medical practices. I was recently reminded of this by a CBS 60 Minutes program.The story was recou
We hear about the importance of reducing our carbon footprint. This primarily refers to limiting our generation of carbon dioxide gas by burning fossil fuels. Carbon dioxide is the principle "greenhouse gas" contributing to global warming.The story of how
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