Home Events and activities Events Location: Harnack House Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 All 2023 2022 2021 2020 2019 2018 2017 Visions in Science 2017 News Start: Sep 29, 2017 End: Sep 30, 2017 Location: Harnack House This years theme will be "Discover New Perspectives" with a special focus on changes. [more]