These were all over my pant leg during a walk today — I have no idea how they got there. What are they

Some of the most common types include burrs from burdock plants, cockleburs, and certain wild grasses. If you examine them closely, you’ll see how perfectly engineered they are for gripping onto fibers. In fact, this natural design even inspired the invention of Velcro—one of the most widely used fastening systems in the world today.Continue reading…

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