A top-quality pillow is essential for a good night's sleep, but what pillow do you need for the longest sleep? A study of pillows in Polish graves shows that Catholics and Protestants had different ideas.
Two recent papers take different approaches to the potentially disastrous consequences of loading the stratosphere with ash but combined, they act as a warning for the fragility of food security.
It was thought that people preferred graveyards to be tidy. A new survey finds that visitors can accept the presence of some decaying matter - opening more possibilities for biodiversity.
Instead of complaining about the limits of volunteer work, some Dutch botanists have found how to improve their understanding of data from citizen scientists.