Anti-matter falls 'down', first Nobel winners announced

Science correspondent Allan Blackman looks at how physicists at CERN have shown that antimatter falls down due to gravity just like regular matter. So why does that...matter? He'll also look at the Nobel Prizes being announced for 2023. The first, medicine, went to two scientists whose research led to the first MRA vaccines to fight Covid-19. The second, in physics, has been announced overnight.