Scott Pelley investigates if politics are preventing the scientific community from doing crucial research that could help find a vaccine for the coronavirus. The Internet giant continues take orders and send millions of packages each day, but some of its workers say Amazon isn't keeping its workforce safe. Lesley Stahl reports. They are virtually untraceable weapons that can be made at home using legally purchased parts. Ghost guns have turned up in criminal cases in most of the country. Bill Whitaker has the story. Those stories on this week's "60 Minutes." To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices

Temperatures are being checked before shifts at GM and workers at Ford have watches that notify them if they're too close to each other. Norah O'Donnell reports on how both companies are trying to protect their employees as they manufacture medical equipment. David Martin finds out how the military is handling the coronavirus pandemic. And Bill Whitaker reports on the role of artificial intelligence in fighting the pandemic. Those stories on tonight's "60 Minutes." To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices