Rental struggles, life science boom marked Boston real estate in 2020

While the Covid-19 pandemic turned some aspects of Greater Boston’s commercial real estate on its head — a year ago, could anyone have imagined luxury apartment buildings offering concessions ahead of Sept. 1? — it has strengthened others, as the region’s life-science industry raced to create and distribute a vaccine against the deadly virus. Here are the top five real estate stories of 2020.