HIV Spreads Through Direct Cell-To-Cell Contact

The spread of pathogens like the human immunodeficiency virus (HIV) is often studied in a test tube, i.e. in two-dimensional cell cultures, even though it hardly reflects the much more complex conditions in the human body. Using innovative cell culture systems, quantitative image analysis, and computer simulations, an interdisciplinary team of scientists from Heidelberg University

How can we protect wildlife through ecotourism?

Many countries try to use ecotourism as a tool for wildlife conservation, hoping that the increased income for local people will make them value wildlife more. But this strategy is not always as successful as conservationists have hoped. This is why we wanted to test a new model: what if the amount of money local