Great Boston leads the nation with the most expensive lab space.

From the BBJ:

Greater Boston’s life sciences rental rates have climbed 7.4 percent this year to reach an average rate of $47.40 per square foot, outstripping other top markets including Raleigh/Durham, North Carolina (up 12.4 percent year-over-year to $19 per square foot); San Francisco (16.9 percent, $37.30); San Diego (15.5 percent, $29.90); New York/New Jersey (8.3 percent, $24); and Los Angeles (4.9 percent, $30.70)…In Cambridge specifically, the average lab rent is $51.60 per square foot, the report said. The report also said tenants are currently on the hunt for around 1.3 million square feet of space in the city.