Physicists on path of invariance in the universe
Physics is the mother of all the sciences. It strives to describe characteristics of the physical universe with parameters that are unambiguous and measurable. Those measurements can’t depend on who makes them, where or when they are made, the orientation of the measuring apparatus or the thing being measured.
What a drag as Olympics gear up
I swim laps at noon several times a week. I enjoy the water, and the gentle exercise is good for my aging joints.Like other old ladies in the pool, I'm no speed demon. Even a bucketful of performance enhancing drugs would not make me slice through the wat
Patterns evident in Milky Way, other galaxies
Few things are as awesome as a crystal clear night sky far from city lights.
Genes hold keys to diseases, cures
The Human Genome Project, completed in 2003, demonstrated humans have approximately 20,000 genes. How these genes interact with one another and respond to environmental factors goes a long way toward explaining a person's health history.
No silver bullet for diverse enemy: cancer
Controlling health care costs is one of the most difficult problems facing society. Because we are often talking about life-and-death decisions for ourselves or our loved ones, we unquestioningly accept that more is better. It is not always the case that
