Commons:Wiki Science Competition 2023 in Switzerland

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Wiki Science Competition is an international photo and video competition organized with the core support of
Wikimedia Switzerland, Wikimedia Estonia
Swiss Upload phase: 15th November 2023 - 15th December 2023

Wiki Science Competition is the biggest science photo competition in the world. Since 2019, Switzerland is taking part for the third time in Wiki Science Competition 2023 (WSC), with its own national jury and prizes, thanks to the financial support of Wikimedia Switzerland. The competition also includes Liechtenstein.

If you're visiting from a neighboring country, you might find it interesting to explore these related pages as well:

The national competition

WSC2023 Swiss Flyer in English

Files of scientists, research subjects and technical processes are all welcome.

Utilizing photos, graphs, and videos serves as a means to share academic findings, teaching ideas or educate the citizens about technical and scientific endeavors funded by the public.

To qualify as a national finalist, photographs need to be high-quality, displaying accurate colors and proper exposure and framing. Given the project's nature, providing precise information is crucial. The accompanying description should address key questions such as: "Who is depicted in the image? How and where was the photo captured? What details require attention?" Additionally, including links to peer-reviewed publications in the description is appreciated. Some images will be employed for the social media campaign.

For images, the original size is preferred. All submitted photos will be under a Creative Commons licence, CC BY-SA 4.0. The rules of the international competition are listed here.



In the national and international competition there are seven distinct categories: people in science, microscopy images, non-photographic media, image sets, nature, space and astronomy and a general category.

We provide some examples from all around the world.

People in Science


Scientists in their natural habitat.

Microscopy images


Optical, electron, and scanning probe microscopy images all fall under this category.

Non-photographic media


Audio and video files, computer-generated imagery.

Image sets


Thematically linked images, that can be viewed as one set. Image set could be made up from up to 10 separate images. In the last case, images titles must be similar to each other (they could be named using a progressive pattern such as “Name 1.jpg”, “Name 2.jpg” etc).

Wildlife & nature


Organisms who grow or live wild in an area. Macro photography also falls under this category. Some pictures in cages if scientifically relevant might be accepted.

Space and astronomy


It's the most recent category created starting from the 2021 edition (previously such files were put under "general")

General category


Everything else goes into this category, from archaeology to thermodynamics and from medicine to vulcanology.

How to take part


Main website - how to participate

The website will be active to upload images from 00:00 (CET) 15 November 2023 up to 23:59 (CET) 15 December 2023.

To participate you will need a account wikimedia, which is valid for all platforms of the wikimedia ecosystem. You can create an account here. Be sure to add your email address so that we can contact you when you win!

Create your Wikimedia account!

The upload link is hosted on this page

Upload your file!

For the "set of images" category, please try to provide sequential naming, so the nature of the group is self-evident.

For videos, you might need to wait few days before you can upload them (it's a filter to prevent massive copyright violation), please inform the organizers if you want to be sure that the upload process is smooth and do not wait the last days.

Files should not be original strictu sensu, the main goal is to increase freely available material on the web, so files submitted with more rigid licenses to previous event can be resubmitted.



If you want to take a look at the uploaded images you can scroll this category.

Here is an informal selection.


  • Dominik LANDWEHR (media specialist, publisher, editor of the book series Edition Digital Culture, website )
  • Alessandro COBBE (mathematics)
  • Alessandro MARCHETTI (chemistry, outreach)
  • Mascha STROOBANT (biology, outreach)

Prizes and National Award Ceremony

Flyer of the Award ceremony of Wiki Science Competition 2023 in Switzerland

Winners (1st national finalists) in every category (if assigned) will get (circa) a 400 CHF prize and runner-ups a 200 CHF prize.

The National Award Ceremony, following the previous events in Zurich (2019-2020) and Lugano (2021-2022), will be held in a different Swiss town. Travel expenses are fully reimboursed by WMCH.

The ceremony 2023-2024 will occur on April 27th 2024 at Wikipedia Day, Welle 7, Bern at 2:30pm.

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