What is the point of group classification in science? The point is predictive power. Inclusion in a group should tell me usefully accurate information about the individual or item that would require an inconvenient amount of work to learn directly.I can create a group called "coffee mugs". There are the traditional>

Polar bears are evolutionarily older and genetically more distinct than believed. This largest Arctic carnivore evolved as early as 600,000 years ago, five times older than previously recognized. >

Before the 18th century, scientists and non-scientists alike assumed that the material substance of living organisms was fundamentally different from that of non-living things -- organisms and their products were considered organic by definition, while non-living things were mineral or inorganic.  With the invention>

Most people have had pests in their house at some point or another, and the problem may have been so extreme that it required treatment of some sort--a trap or two, or perhaps even some sort of chemical. These sorts of measures can be effective at removing target species, but they may also have an impact on other>

Recently scientists have discovered that a little molecule called Triclosan can help us eradicate a condition that affects 2 billion people around the world (we are only 6.7 billion total right?). A parasitic infection called toxoplasmosis affects those many people is caused by a protozoan Toxoplasma gondii. A total>

As promised, here's part three of the nails-in-the-brain trilogy. Only, while nails may be the brain-poking standby, they're not the only foreign bodies to be shot, shoved or stabbed into the human brain. For example, after getting into a fistfight a man reported to his local emergency room with a headache, black>