When the pine cone’s scales remain open for an extended period, it’s a sign of dry weather. Open scales indicate low humidity ...

Taking inspiration from the humble pine cone, engineers at ETH Zurich have ... and has relatively low installation and maintenance costs. The research was published in the journal Energy and ...

In addition, pine cone scales fully protect the pine seeds ... the edge folds slightly and forms a low wall. In a pentagonal structure, the upper sides roll along the edge and the lower side ...

Well, good luck with that! I'd recommend clippers if you really need one of these pine cones. Strong, stout clippers. Table mountain pine, Pinus pungens, seed cones, shown here from a ...