The scientists lowered the livers to below freezing temperatures, while flooding the tissue with antifreeze chemicals to prevent the formation of damaging ice crystals.
The CDC says it was made aware that on 1,600 flights between January and August, someone on board may have had COVID-19 and that means almost 11,000 passengers could have been exposed according to the health agency.
But if you go on to the Atlas of the World's Languages in Danger through the UNESCO website, you'll see a little " r" right next to that language right there.