Month:

How Many Cells Does It Take to Cross the Road?

  • September 9

DNA is the molecule used to store genetic information in living things. Despite the vast amount of information it stores, DNA is physically very small, curled and bunched up thousands of times – in fact, if DNA was fully stretched out, it would be incredibly long! We make calculations of just how long here. Join talkSTEM and UT Southwestern faculty and grad students as they explore the STEM concepts on their campus.... CONTINUE READING

What is the Highest Point on the Swing?

  • September 9

Scouts love visiting Camp Whispering Cedars for its amazing ropes course – great for bonding and pushing new boundaries! The course features a zip line, ropes bridge, climbing wall, and a towering three-person swing. The swing made us wonder – exactly how high is someone pulled to start the swing? In order to figure this out, we use shadows and similar triangles. Supplementary Activity Guides for this video to extend student learning for K-12 grade levels are freely available here:... CONTINUE READING