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This lighter-than-air element could one day disappear from our p
Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi
What the scientists are saying… The oldest ...
Of the hundreds of thousands of asteroids in our solar system, it is all too feasible that one could strike Earth. If scientists discover this is likely to happen, what are our options for defending ourselves – and who will make the key decisions? Tomas Weber reports
20 amazing answers t o curious
PLANET EARTH
Techno-optimists have declared a nuclear renaissance