More random links

Bookstore apologizes after man claims he was ejected for being alone in children's section
"a senior citizen said staff at one of the retail giant's Arizona stores ejected him because he was on his own in the children's area. Omar Amin claimed a store worker told him a female shopper had complained he was in the children's area … The 73-year-old, who was alone at the time, said he was in the store to buy books for his two grandchildren, who live in Wisconsin."
Firing Aversion: A Cross-Cultural Study
The options seem to vary depending on the country in which people were asked.
Excess exercise 'hurts the heart' and cause dangerous long-term harm, say scientists
"They say the safe ‘upper limit’ for heart health is a maximum of an hour a day - after which there is little benefit to the individual."
Are Healthy Foods Really More Expensive? It Depends on How You Measure the Price
"the authors compare prices of healthy and less healthy foods using three different price metrics: the price of food energy ($/calorie), the price of edible weight ($/100 edible grams), and the price of an average portion ($/average portion). … For all metrics except the price of food energy, the authors find that healthy foods cost less than less healthy foods."