Leafy greens grown by night prove cheaper and just as good

Utility companies offer flexible electricity rates depending on the time of day to reduce demand at peak hours. That way, consumers can save some money, say, by using the dishwasher or tumble dryer at night. And the utilities ...

Producing hydrogen and fertilizer at the same time

A research team from the University Alliance Ruhr, Germany, has found a catalyst that can be used to convert ammonia into the energy carrier hydrogen and the fertilizer precursor nitrite. The production of hydrogen and the ...

Countdown to first launch of Europe's Ariane 6 rocket

After four years of delays, Europe's new Ariane 6 rocket is set to blast off for the first time on Tuesday, carrying with it the continent's hopes of regaining independent access to space.

Beryl downgraded after slamming Texas with deadly rains, wind

Beryl was downgraded Monday evening to a tropical depression after slamming the southern US state of Texas as a Category 1 hurricane, killing at least four people and causing millions to lose power amid scorching summer heat.

page 2 from 40