The last decades the disease Lyme borreliosis that is spread by ticks has been increasing, but this increase cannot be explained by the increasing deer population only.
Have you ever wondered why the petals fall off your tulips after a week in a vase? Why trees drop their leaves in the autumn?
Important habitats of seagrass may be threatened by loss of small animals.
Professor Nils Chr. Stenseth has been elected as foreign associate of the National Academy of Sciences