![v.l.n.r. Stefan Hawelka, Florian Hutzler(](https://www.plus.ac.at/wp-content/uploads/2021/04/Foto_Hutzlerrechts_Hawelkalinks-e1619595606512.jpg)
Covid-19. How to clearly communicate the significance of exponential growth
A team led by Salzburg psychologists, Florian Hutzler and Stefan Hawelka, has been able to show that logarithmic-scaled graphs can depict growth dynamics in an understandable way.
![News Leonhardt](https://www.plus.ac.at/wp-content/uploads/2021/04/News-Leonhardt.jpg)
30.04.: Guest lecture: A matter of taste: (how) does food chemistry affect bee foraging and performance?
On April 30, Prof. Dr. Sara Diana Leonhardt will hold a talk on “A matter of taste: (how) does food chemistry affect bee foraging and performance?” The Department of Biosciences cordially invites all listeners!
![woman with face mask in the station](https://www.plus.ac.at/wp-content/uploads/2021/04/iStock-1285530744_2021-01-25_Frau-mit-Gesichtsmaske-im-Bahnhof_franckreporter_WEB-2000x1271.jpg)
Compulsory testing for classroom teaching and examinations
The 2nd COVID-19 Higher Education Act states the requirement for compulsory testing at universities. The new regulation came into force on Monday, 26 April. Students without proof of a negative test will not be allowed to take part in courses or examinations held in attendance.