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London transfer: is it time to kill off the Heathrow Express?
商业与经济

London transfer: is it time to kill off the Heathrow Express?

With fares high and passenger numbers low, plans for a third runway could bring the train’s future into question If Heathrow finally builds its third runway, Londoners can expect hundreds more planes flying overhead each day. But greater congestion on the ground will be a problem

Business | The Guardian ·

AL
科学与环境

The Solar System chose fire over ice from the very beginning

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The finding pushes this selective planet-building process back to within the Solar S

All Top News -- ScienceDaily ·

AL
科学与环境

NASA just powered up Roman’s massive 300-megapixel camera

NASA’s Roman Space Telescope has successfully activated its 300-megapixel infrared camera, which will capture enormous stretches of the cosmos with Hubble-like sharpness. Its planet-hunting coronagraph is also working as expected, putting Roman another major step closer to beginn

All Top News -- ScienceDaily ·