Parosmia, a long-term COVID-19 symptom, is a disorder that can make food smell and taste rancid. Patty Wight of Maine Public Radio reports on this perplexing condition that has a profound impact on people's lives but few treatment options. And, scientists thought that humans with stone weapons may have caused the disappearance of Ice Age beasts like wooly mammoths. But as Jeff St. Clair of WKSU reports, new research shows that stones were no match for mammoths' hair and hide.