SpaceEarth may have formed with enough water to fill the oceans three times A fresh look at the type of space rocks thought to have formed our planet suggests they contain more water than we thought, indicating early Earth was very wet News
TechnologyTwo-sided solar panels that track the sun produce a third more energy Double-sided solar panels that track the sun as it moves in the sky would produce 35 per cent more energy and reduce the average cost of electricity by 16 per cent News