An international team of archaeologists has uncovered and identified a trackway created by multiple humans approximately 90,000 years ago in what is now Morocco.
reporter: hey, holly, the u.s. has become the latest company to have imposed travel restrictions on south africa and seven other african countries. why? because this new variant just named today omni chrome, the who ray signs a greek alphabet letter to each variant so they re not associated with the countries they were first discovered in, in this particular case. it was south africa. remember that name on the chrome, we will hear that over and over in the next few days but months, it s like a delta variant but worse, this is what the w.h.o. has been saying. it has a lot of mutations. it is highly infection and very viral and that is the reason why the u.s. is the latest country to have stopped people or restricted travel from all those countries where this particular variant was spreading and was spreading fast. italy announced those