John Wojcik pays tribute to a black US activist who spent six decades at the forefront of struggles for voting rights, economic justice and peace – reshaping US politics and inspiring movements worldwide
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A short burst of excitement
Are aliens trying to communicate via a ‘repeating fast radio burst’ from outer space? SCIENCE AND SOCIETY investigate.
CHIME telescope in Canada which was used to detect the signals
In the fifth and final part of a series of articles, Storming the Heavens author JENNY CLEGG explains how the Communist Party of China’s approach demonstrates how Marxism, rooted in concrete conditions and mass participation, can shape history
In times of genocide, art is not a refuge from politics but a weapon against injustice, says ROGER McKENZIE, highlighting three of his own favourite political truth-tellers
As members elect their first leadership, a deeper battle is unfolding over what democracy should mean in practice, says CASSI BELLINGHAM
The language of humiliation is a step towards a second civil war, argues RAMZY BAROUD
ANDREW MURRAY says switching the prime minister on and off again is no substitute for new political approach we need
THE media was abuzz recently after news broke that an international collaboration using a large radio telescope (four gigantic cylinders in rural British Columbia, Canada) had found evidence of a “repeating fast radio burst (FRB) source.”
In other words, an extremely powerful pulse of radiation from a fixed place in the night sky: not just once, but repeatedly.
The short bursts of powerful radiation lasted just a few milliseconds. Such bursts have been seen before, but only as one-off events. The bursts repeated, but not at regular intervals, and this repetition has led some to wonder: could these be alien signals?
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