He replaces Pedro Pablo Kuczynski, who resigned amid corruption and vote-buying allegations.
Scientists investigate an unusual, small, mummified skeleton from Chile to establish its medical history.
The contest is to close pending an investigation into claims of sexual and financial impropriety.
Broadcast time 21:06 GMT - 22:00 GMT
Broadcast time 22:06 GMT - 22:20 GMT
Broadcast time 02:06 BST - 02:30 BST
Broadcast time 05:06 BST - 05:30 BST