Perovskite display technology demonstrates record efficiency and industry-level operational lifetime

A research team has developed a hierarchical-shell perovskite nanocrystal technology that simultaneously overcomes the ...

The hidden power of grief rituals

In Tana Toraja, a mountainous region of Sulawesi, Indonesia, villagers pour massive resources into funeral rituals: lavish feasts, ornate effigies and prized water buffaloes for sacrifice.