Austad, S. N. & Fischer, K. E. Mammalian aging, metabolism, and ecology: evidence from the bats and marsupials. J. Gerontol. 46, B47–B53 (1991). Article CAS PubMed Google Scholar Irving, A. T., Ahn, M., Goh, G., Anderson, D. E. & Wang, L.-F. Lessons from the host defences of bats, a unique viral reservoir. Nature 589, 363–370
Two-year-old Giselle Ghattas is fearless, funny and affectionate, according to her parents. She loves diving headfirst down playground slides and climbing onto anything she can reach. Giselle seems like any other lively toddler, despite having a rare genetic disorder that threatens to rev her immune system at full throttle. The controversial embryo tests that promise
