Latest University of Veterinary Medicine, Vienna Stories
Individuals of a particular species generally differ from one another.
Many animals are able to discriminate between related and unrelated individuals but how they do so has proven remarkably difficult to understand. Joachim Frommen and colleagues at the University of Veterinary Medicine, Vienna have investigated the issue using the three-spined stickleback and its shoaling preferences as a model system.
Almost one in six people worldwide are infected by parasitic worms, while parasitic infections of livestock cause economic losses of billions of Euro per year.
Gut bacteria are known to have a central role both in human and in animal health. Animals acquire different bacteria as they age but how the microbial communities in the bodies of wild animals change over time is not well understood.
Many species pair for life, or so the story goes. In reality, there is quite a bit of cheating going on. Both male and female partners may have “affairs” outside the pair bond. In such cases, how is a male to know if the chicks he is feeding are really his?
It may be slighter later than expected but spring finally seems to be upon us.
Most of us are familiar with stage fright – with all its nasty manifestations such as rapid pulse, dry mouth, shaky voice, blushing and sweaty palms – but is the condition restricted to humans?
In the twentieth century the sequencing of an entire genome of a higher (eukaryotic) organism was a truly exceptional event – by the end of the year 2000, only four such sequences were available.
An increasing number of men suffer from fertility problems, especially in western society. The general belief is that many problems may be related to stress but it is possible that some of them may arise because men simply have intercourse too infrequently.
Researchers were able to show that zebrafish males and females both wear their brightest colors while wooing a mate.
- A volcanic mudflow.