Resume de l’article : Mystère autour de la sœur de Cléopâtre, mégafusée Starship et PFAS dans l’eau : l’actu des sciences

Article summary and answer:

The article presents several science-related news in ultra-brief format. The relevant information for your question is:

– Mystery around Cleopatra’s sister: A new study on the mummy of Arsinoe IV, Cleopatra’s younger sister, has revealed that she was indeed murdered. Previous theories suggested that Arsinoe IV might have died of tuberculosis, but micro-CT scans and forensic analysis now confirm that she was stabbed in the back, leading to her death.

Therefore, the answer to your question is: Yes, Cleopatra’s sister Arsinoe IV was murdered.