Pine, an evergreen tree of great economic importance. Pines are conifers (cone-bearing trees) related to firs, cedars, larches, hemlocks, and araucarias. Pines make up the genus Pinus of the family Pinaceae. There are more than 90 recognized species, all native to the Northern Hemisphere. Most pines are found in areas with a temperate climate, but a few grow in mountainous tropical regions. About 30 species are native to the United States.
Ten-tier wedding cakes, bagels slathered with cream cheese and slim, crusty baguettes -- we owe them all to wheat. What's the story behind this ancient, ubiquitous food crop?
As Earth's population continues to rise, wheat plays an increasingly essential role in making sure everyone gets enough to eat. You can find cultivated wheat fields and dishes across the globe. It's time to put your wheat knowledge to the test.