August 7, 2020 2:28 pm Scientists Probe Botswana's Elephant Deaths Scientists are working to determine what killed nearly 300 elephants in Botswana. NBC 7’s Dagmar Midcap has more in this Down to Earth. US & World Videos 3:29 Woman accidentally invites entire phone contact list to daughter's first birthday party 0:53 NFL announces slate of 2024 international games 1:02 FBI warns of threats to LGBTQ Pride Month events in the US 0:49 Hawkeyes coach Lisa Bluder announces retirement 1:38 John Krasinski says George Clooney inspired him to be a director