Rising levels of carbon dioxide in the atmosphere are making crops grow bigger & faster. However, researchers have found that these crops contain significantly lower levels of protein, iron, zinc, and other important nutrients, potentially endangering nutrition for hundreds of millions of people. Experts explain the effect will get worse as CO2 levels continue to rise, and what might be done to combat the problem.
Violence increases as temperatures rise in the summer, but are higher temperatures a cause of aggression? New research shows that the answer is yes, especially in family conflict, and that poor neighborhoods bear the brunt of the relationship. Researchers discuss the synergy between poverty, heat, and aggression, and speculate that a warmer world in the future could be a more violent one.
During the holidays, leftovers from gatherings and parties may threaten to take over the refrigerator. An expert discusses consumer-friendly how-to’s, including how to read labels, that can lengthen food life and help avoid food waste.