Scientists have long struggled to understand what regulates sperm “capacitation,” the vital physiological process sperm must undergo to become capable of fertilizing an egg cell. Zinc plays a critical role.
Yum! Brands Inc.’s KFC warned that a supply-chain breakdown that has shut more than half of its 900 U.K. outlets would persist for the rest of the week, continuing to deprive fans of their fried-chicken fix.
JBS SA, the world’s largest meatpacking firm, remains intent on a stock market listing of subsidiary JBS Foods International BV in the United States despite corruption and food safety scandals, executives said,