Evidence for seasonal migration by a cryptic top predator of the deep sea, the sperm whale (Physeter macrocephalus) https://doi.org/10.1186/s40462-024-00500-x
Dad’s age may influence Down syndrome risk. Fathers aged over 40 or under 20 had an especially high likelihood of conceiving a child with Down syndrome, according to a study that analyzed over 2 million pregnancies in China.