Zumwalt Stealth Destroyer Delivered to the U.S. Navy

Shipbuilder General Dynamics Bath Iron Works formally delivered the stealth destroyer Zumwalt (DDG 1000) to the US Navy May 28, marking a turnover of ownership from the ship’s status as a private vessel to become a government-owned warship.

Turning weeds into fuel

A weedy plant found on the roadside in northern Australia has stems ripe for biofuel production.