09/18/2026
Not surprisingly, private gardens showed more soil diversity than lawns. Long live our gardens!
𩲠More than 2,000 pairs of underwear were buried across Switzerland. For science. đŹ
In 2021, researchers from the Universität ZĂźrich and Agroscope, Switzerlandâs federal center of excellence for agricultural research, asked around a thousand volunteers to help study the biological activity of Swiss soils.
It was a citizen science project, meaning members of the public took part directly in the research. Participants buried cotton underwear and tea bags at around a thousand locations, including private gardens, fields, grasslands and urban areas.
Why underwear?
Soil organisms break down the cellulose in cotton. After two months underground, researchers could compare how much of the material had decomposed. More decomposition indicated greater biological activity in the soil.
The results were published in 2026. Land use turned out to be the strongest factor explaining differences in soil life. Private gardens showed the highest biological activity, while lawns showed the lowest.
The project also became a large public research collaboration. Around 240 citizen scientists were credited as co-authors of the resulting study.
And in September 2026, BeweisstĂźck Unterhose received the Ig Nobel Prize in Soil Science, an award which recognizes unusual research that first makes people laugh, then think.
And you? Would you have volunteered your garden or a pair of underwear for science?