Microgreens are simple and easy to grow indoors in winter.

The fresh taste of citrus fruits and their fragrant flowers are appealing and may make a trip to a Florida orchard sound tempting. But growing citrus plants indoors can, if lucky, result in some delicious fruits and provide homegrown tropical flavors in winter.

For more than 10,000 years, humans have harnessed the fermentative power of yeast to create beer, wine, cheese and bread. But yeasts are also critical to the process of generating other important products, including medicines such as penicillin and biofuels such as ethanol.

The cranberry crop at harvest is beautiful. Blue sky reflected on the water, bright red fruit and the autumn leaves of surrounding trees create an image as colorful as its history.