Water could have been abundant in the first billion years
How soon after the Big Bang could water have existed? Not right away, because water molecules contain oxygen and oxygen had to be formed in the first stars. Then that oxygen had to disperse and unite with ...
Toyota to provide first hydrogen-fueled pace car
A hydrogen-fueled vehicle will lead the field at a NASCAR race for the first time when a 2016 Toyota Mirai serves as the official pace car Saturday night at Richmond.