Matrix isolation of highly electrophilic carbenes / Observing invisible carbenes by trapping them with pyridine / Carbenic philicity / Approach to a persistent triplet carbene / Diaminocarbenes: exploring structure and reactivity / Stable versions of transient singlet carbenes / Discovery and development of high oxidation state alkylidene complexes / Fischer carbene complexes in organic synthesis / From high-spin polycarbenes to carbene-based magnets