Scientists created a model of the human pain pathway in a dish by connecting four separate brain organoids. The feat should help them understand sensory disorders like those affecting pain perception.

You have /5 articles left. Sign up for a free account or log in. The guided pathways model has spread rapidly at community colleges across the country in recent years ...

So when you touch a hot stove, the nerve endings in your fingers react instantly. But the ouch comes a split-second later, when that information finally reaches your brain. Well, now, scientists have ...