A new paper says the the human sense of smell can detect dietary fat in food. As the most calorically dense nutrient, fat has been a desired energy source across much of human evolution - but those…

Though media stories about obesity are still prevalent, what gets left out is that American obesity rates have stabilized. It's unclear why. Some papers claim it was due to the lingering stagnant…

So far, the Affordable Care Act and its mandate for insurance coverage has been a disaster. It isn't just that the website doesn't work, it's that the bulk of the people signing up for the program…

The climate is a sensitive balancing act. There are a lot of knobs turning, making the future difficult to model. But trees have done a surprisingly good job adapting quickly to keep atmospheric…

Diversity police regulate success by making overachievers victims of their own success. They spread quickly, preventing too much dominance by undercutting whatever gets ahead and enforcing lots of…

Marijuana is enjoying a golden age of cultural advocacy, to such an extent that its medical benefits are exaggerated while the obvious impact on health is trivialized. The health implications are…

America has developed a surveillance problem, hiding behind a facade of security. Britain has been down this road before, the average citizen in London is photographed 300 times per day by government…

Some recent poll results show that right wing people in America have widened the gap of evolution acceptance. Generally, only a few points on this issue have separated the parties but if you know…

Children who grow up in dangerous neighborhoods exhibit more aggressive behavior, according to a new paper in Societies. Lots of U.S. studies have suggested a link between dangerous neighborhoods and…

The difference between 1 and 2 and 101 and 102 is the same, yet children perceive 1 and 2 as being much farther apart, because two is twice as much as one. It takes years of education to recognize…