Researchers have uncovered genetic elements that drive the rapid development of marsupials’ facial features, presenting their findings in eLife.

Pregnant women with vitamin D deficiency may develop osteomalacia – a form of bone softening. A new Swedish study shows that this condition increases the risk of needing vacuum-assisted delivery or emergency caesarean section fivefold. Muscle weakness due to vitamin D and calcium deficiency may be a possible explanation, in addition to the pelvic changes historically associated with osteomalacia.

The Icahn School of Medicine at Mount Sinai is pleased to announce it has received a three-year, $4.5 million grant from BD²: Breakthrough Discoveries for thriving with Bipolar Disorder to investigate the neural mechanisms underlying bipolar disorder and pioneer novel neuromodulation-based treatment strategies.

Microcephaly is a congenital malformation that leads to a significantly reduced brain size and is often accompanied by developmental delay. An international research team led by Dr. Tran Tuoc from the Department of Human Genetics at Ruhr University Bochum, Germany, has discovered a previously unknown genetic cause for this condition. Mutations in the EXOSC10 gene – a central component of the RNA degradation complex (“exosome”) – cause primary microcephaly. The work was published in the journal BRAIN on October 24, 2025. 

A new study published in the scientific journal Oikos reveals for the first time the critical role polar bears play as carrion providers for Arctic species. Researchers from University of Manitoba and San Diego Zoo Wildlife Alliance, alongside researchers from Environment and Climate Change Canada, and the University of Alberta, have estimated that polar bears leave behind approximately 7.6 million kilograms of their prey annually, creating a massive and vital food source for a wide network of arctic scavenger species.