A Union Pacific Railroad cargo train crossing a historical bridge in Tempe, Arizona, derailed and caught fire on July 29, causing a portion of the north–south bridge to collapse, sending several railcars toppling off the bridge and onto the ground below.
A critical phase of an effort to stabilize a coastal bluff beneath a critical rail line in in Southern California is scheduled to be completed by year’s end
An interdisciplinary team of researchers based in Colorado has developed a type of brick that, through a process of biomineralization, is able to replicate and grow multiple generations of itself.
Two dam failures in Michigan in mid-May have led to calls for investigations as to the causes of the calamitous events as well as an examination of why the dams’ owner did not make critical upgrades in time to preclude the disaster. Although no fatalities or injuries resulted from the failures, widespread flooding forced the evacuation of thousands of central Michigan residents and significantly damaged
