On Monday, US Health Secretary Robert F. Kennedy Jr. fired all 17 members of the panel that advises the CDC on who should get certain vaccines and when. Then on Thursday, he appointed eight new members, some of whom have been critical of vaccines in the past. So who exactly is new on the panel and how are medical experts reacting? Sophie Bushwick from New Scientist breaks down this reshuffling and the other top science stories of the week, including how Starlink’s leaky satellites, Earth’s