What is time, really?

• Many people wake up before their alarm. Our reporter dove into the mystery of why.

• Can dogs smell time? An NPR reporter finally figured out how her husband’s family dog knew when the school bus would arrive everyday. The explanation is fascinating.

• Researchers say time is an illusion. So why are we all obsessed with it?

COVID’s far-reaching impacts

This team of researchers are addressing one of the most vexing problems in global public health: How to supply lower income countries with a safe, effective and affordable COVID vaccine.

A nurse’s suicide raises the alarm about the profession’s mental health crisis. After two years of treating COVID patients, this group of nurses lost one of their closest friends — and they’re determined not to let others fall through the cracks.

Before you go

• This Florida community was built to withstand hurricanes. It endured Ian without a scratch.

• Meat of the future might be “grown.” It’s not available yet — though the FDA has taken steps toward allowing the sale of “no-kill” meat — but NPR got a taste of one company’s chicken.

• A dish of brain cells learned to play a 1970s video game. The research offers a window into intelligence.