Washington, May 2 (ANI): Consumption of excessive amounts of beta-carotene, a naturally occurring pigment that gives colour to foods such as carrots, sweet potatoes and certain greens, may be hazardous to health, suggests a new study.

Washington, Nov 22 (ANI): Purdue University scientists have developed methods for growing sweet potatoes that reduce the required growing space while not decreasing the amount of food that each plant produces, suggesting that the crop could be grown in space.