This page contains information on why and how laboratory animals are used at the University of Helsinki. Appropriately monitored and regulated animal experiments have been and still are necessary for ...

Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with elaborate color patterns – from the iridescent plumage of many hummingbirds to ...

The vast majority of animals need to breed to reproduce. But a small subset of animals can have offspring without mating. The process, called parthenogenesis, allows creatures from honey bees to ...

WHEN Cindy Engel notices that her cat, Darwin, has vomited on her carpet, she doesn't worry. Vomiting, she says, is “a healthy response to sickness”. What is more, the habit that some cats and dogs ...