Rio Baran's senior thesis research sought to explore what few scientists have attempted. “Rio is an exceptional undergraduate student,” said her adviser, geosciences professor John Higgins.

As Australian cities heat up and dry out, street trees are emerging as frontline defenders of urban livability.

The wood is very fragrant when burned. The stumpy, drought-resistant tree grows on mesas and mountainsides in the Southwest. Forestryimages.org provides several images of parts of pinyon pine.

Approximately 90% of all food allergies are caused by these nine allergens. Eggs, milk and peanuts are the most common causes of food allergies in children. Peanuts, tree nuts, fish and shellfish ...