Comparing fossils of extinct birds to the skeletons of modern-day birds sheds new light on the roles these animals played in ecosystems around 100 million years ago.
A clinical trial shows a link between the levels of a circulating hormone and changes of body composition in prostate cancer patients undergoing androgen deprivation therapy.
In fruit flies, a signalling molecule known as octopamine helps information about resource availability shape which type of memories are formed of a meal, and how much certain foods are eaten.
A new library of stem cells that express a fluorescent protein offers the opportunity to study the precise locations of thousands of human proteins in many different types of cells.