Sadly, science is coming under increasing attack from those who would like the world to be different from what science demonstrates it to be. In doing so, critics attempt to turn one of science's greatest assets into a liability.
From the perspective of the very short recorded history of humankind, the world we live in seems pretty stable. Our experience is of a physical existence having constancy and predictability. Why this rather than a universe ruled by wild, chaotic, unpredic
We are often reminded of damage we inflict on various ecosystems. Just what are ecosystems?
Science is built on experiment and critical observation. Any hypothesis worthy of consideration must allow for, or propose, tests for its validation.However, before investing huge amounts of time and resources on actual, physical experiments, in many inst
The development of steam engines during the industrial revolution went hand-in-hand with formulation of one of the most powerful laws of physics. The second law of thermodynamics provides insight into everything from the workings of refrigeration systems
Nearly anywhere on Earth you'll find mammals.
The possibility of intelligent life elsewhere in the universe has intrigued humans since they first became aware of the vastness of space. Sadly, for science fiction romantics, it is unlikely we will ever have direct evidence we are not alone.
How energy needs are met in the future will determine the health of our economy and quality of life for generations to come. Understanding the basics can help in understanding issues surrounding energy generation and the consequences of poor choices.There
Many scientific terms are also used to describe everyday experiences. In doing so the scientific meaning of those words is often lost or distorted.
It's no wonder the public is confused and often misled about the use of the word "theory" in science. Its meaning to the scientific community is significantly different from its colloquial usage.I recently witnessed this disparity while watching a detecti
'Laws" have all kinds of implications. They're onerous if they represent seemingly arbitrary restrictions. They're unfair if not equally applied. They're an imposition if enforced by a capricious authority.
When did human ancestors begin leaving Africa and why did it take them so long to start?
When did human ancestors begin to use tools? It is important to first understand a pitfall in thinking about how human traits were acquired. The problem arises from statements such as, "Walking upright on two legs (being bipedal) freed up the hands of hom
How did the lineage of extinct human ancestors change over the course of millions of years? What changes made our predecessors more humanlike? When did those changes occur and why?
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