University of California, RiversideMany experts didn’t think such tiny prehistoric fossils would ever be found. Fortunately, ...

However, a new study of European jackdaws shows that this strategy has its limits: when sleep-deprived, these clever, social birds were more likely to fall into deep sleep in both brain halves – even ...

Images can range from animal portraiture, action or behaviour ... Sasha Jumanca (Germany/Romania) emphasises the symmetry of the wings of two silver-studded blue butterflies. It surprised Sasha how ...