A new-year round-up of the science stories you may have missed
Briefly

The retraction of the controversial COVID study promoting hydroxychloroquine, despite extensive critique, signifies the scientific community's commitment to integrity and accuracy in research.
Discoveries reveal the skin operates as an active immune system rather than a mere barrier, potentially leading to innovative needle-free vaccination methods and improving health outcomes.
New analyses from NASA's Juno spacecraft imply that the icy crust of Europa is thicker than anticipated, intensifying concerns about the moon's potential for harboring extraterrestrial life.
Modeling the locomotion of Australopithecus afarensis indicates that while these ancient relatives were bipedal, their running capabilities greatly differed from modern human speeds and endurance.
Read at Nature
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