Shoes. A phone. Receipts. A comb. Traces of wild nights and hurried days are all around us. More

The number of patients going to hospital emergency rooms with flulike symptoms has soared. More

Mayor-elect Zohran Mamdani’s signature plans for New York City will take time. Lina Khan, the former chair of the Federal Trade Commission, has ideas for making a swift impact. More

Feeling stuck on today’s puzzle? We can help. More

The far-right group known as the R.S.S., whose members include Prime Minister Narendra Modi, has spent a century trying to make India a Hindu-first nation. More