From Hemlocks to High School Labs: New Ideas Shaping Science Education

What makes a science lesson truly stick? During my three-month fellowship at Clemson University Science Outreach Center in South Carolina, I found an answer in an unexpected place: a dying tree species. One particular learning experience gave me new, important ideas on how I think about designing science education content and why it matters.

A Mystery in the Forest

One of the most memorable classroom programs I observed centered on the decline of the hemlock trees along the U.S. East Coast. Instead of presenting genetics as an abstract theory, students were presented with a story: a scientific investigation to identify the culprit behind the die-off. Four insect species were introduced as suspects, and students used DNA fingerprinting analysis techniques to solve the case. This approach combined scientific methods with narrative thinking. Students weren’t just learning techniques; they were applying them with purpose. The mystery gave context to the science, making each step meaningful and engaging.

From Observation to Inspiration

The hemlock case didn’t end with identifying the insect responsible. Students also explored the ecological consequences of losing a dominant tree species: erosion, rising water temperatures, and impacts on fish populations. Science became interconnected: biology, ecology, and environmental science woven into one narrative.

This experience has sparked new ideas for developing programs at the STEM Centre Päijät-Häme of the University of Helsinki in Lahti. While advanced methods like PCR and DNA restriction are already taught, embedding them in compelling, real-world stories could make them even more impactful.

Instead of introducing a technique first, it could be more captivating to begin with a multidisciplinary problem the students feel excited in solving. The method then becomes a tool, not just content.

The grant period also connected me with broader science education initiatives, including visits to institutions such as the Science Museum of Minnesota, where discussions focused equal access to STEM education. A visit to the Griffin Museum of Science and Industry in Chicago demonstrated that the reach of STEM education can be broadened by engaging diverse audiences in museums. 

Furthermore, the mobile DNA education lab of the Greenwood Genetic Center in South Carolina demonstrated how bringing a fully equipped laboratory experience directly to schools can significantly improve the reach of STEM education. Together, these experiences illustrated that increasing accessibility depends also on where and how the learning opportunities are made available.

Finnish Models Spark Interest in the U.S. 

The exchange of ideas during my time in the U.S. was truly two-way. While I gained valuable insights from the science education practices, there was also strong interest in Finnish models, particularly in the LUMA Centre Finland network. The idea of the university-linked network of 13 STEM Centres with systematic sharing of expertise was seen as both innovative and highly practical. 

In addition, the JunnuYliopisto ("the JuniorUniversity") model in Lahti attracted attention for its ability to reach entire age groups of students, ensuring equal access to science learning opportunities.

My grant period provided not only new methods, but also new directions of thinking about STEM education.

The exchange of ideas during my time in the U.S. was truly two-way. 

Curiosity for science can be increased when the concepts are connected to real-world phenomena, like connecting DNA-laboratory with the hemlock story. Bringing this perspective back to Finland enables the development of learning experiences that spark curiosity, strengthen critical thinking,and help students see science not just as a lesson, but as a way to explore and understand the world.

Tarja Kariola
Director
LUMA Centre Päijät-Häme
2025-26 Fulbright Finland Foundation Fellowship for Mid-Career Professionals
Clemson University, SC

Read the whole Fulbright Finland News magazine 1/2026!