A still unknown species of circovirus, temporarily named Human Circovirus 1, it is new and distant from known animal circoviruses. Its role has been demonstrated in the liver damage of a patient under immunosuppressive treatment.

Nearly two years after Japanese mission Hayabusa2 returned to Earth, samples from asteroid Ryugu continue to reveal valuable information about the history of the early solar system. A study by scientists from the Institut de Physique du Globe de Paris, Université Paris Cité and CNRS, as part of an international consortium, reveals the isotopic composition of zinc and copper of asteroid Ryugu.