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When huge stars die, they go with a bang, leaving behind either a black hole or a neutron star, the densest stars in the universe. Neutron stars are so dense that a teaspoon of their material would weigh 900 times the mass of the Great Pyramid of Giza. For years, astronomers have thought neutron stars and black holes could orbit each other, with their gravity bringing them closer and closer until one day, they’d merge.
Now, for the first time, a faint signal caused by a black hole and neutron star merging has been recorded on Earth. Astronomers detected not one but two gravitational wave signals, ripples in space-time created when the massive objects collided, both recorded in January 2020.
Structural and institutional racism are the cause of under-representation in many fields, yet many people don’t understand what these terms mean. Professor of Race and Education Vini Lander explains.
Meanwhile, a new study shows the dinosaurs were on their way out before the infamous asteroid that made them go extinct. The team studied six families of dinosaurs and found that they were under pressure from climatic deterioration and major changes in vegetation. The asteroid just dealt the final blow.
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Abigail Beall
Science and Tech Editor
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Carl Knox, OzGrav - Swinburne University
Martin Krause, University of Hertfordshire
The aftermath of a black hole colliding with a neutron star has been recorded on Earth.
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Structural and institutional racism account for under-representation in many fields.
ZUMA Press, Inc/Alamy
Vini Lander, Leeds Beckett University
After ongoing claims that the UK is devoid of this form of discrimination, what does the term actually mean?
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Life was already getting harder for dinosaurs before an asteroid wiped them out.
metha1819/Shutterstock
Fabien Condamine, Université de Montpellier
If the asteroid caused the very sudden end of the dinosaurs, a new study shows that their decline had begun 10 million years earlier.
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Politics + Society
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Mcebisi Ndletyana, University of Johannesburg
Jacob Zuma ran out of ideas to defend himself. Martyrdom is almost impossible without a cause, and he has none.
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Catherine Barnard, University of Cambridge; Fiona Costello, University of Cambridge
As we pass a key deadline, what will happen to the millions of EU citizens living in the UK?
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Steve Greenfield, University of Westminster
A fan's sign caused a massive pile up at the Tour de France. But should the event's organisers take legal action?
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Business + Economy
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Agnes Nairn, University of Bristol; Sharon Collard, University of Bristol
Over the course of Euro 2020, fans across the world will be counting the cost of lost bets.
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Bogdan Costea, Lancaster University; Peter Watt, Lancaster University
The audio version of an in-depth article about a record-breaking Soviet miner from 1935 who embodied a system of values that is central to contemporary work cultures today.
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Health + Medicine
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Jo Batey, University of Winchester
Strict enforcement of COVID-safe regulations in the Olympic Village could affect athletes' mental health. Their performance could suffer too
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Janet Greenlees, Glasgow Caledonian University; Andrea Ford, University of Edinburgh; Sara Read, Loughborough University
The plight of women who had to give birth alone during the pandemic is a good starting point to discuss a better childbirth experience for all women.
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Environment + Energy
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Pete Smith, University of Aberdeen; Camille Parmesan, University of Plymouth; Mark Maslin, UCL
Solve the climate and extinction crises together, or solve neither.
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Arts + Culture
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Natasha Ruiz-Gómez, University of Essex
All muscles and sensuous flesh, its hyper and toxic masculinity puts this Rodin scholar off the artist's most famous artwork.
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Featured events
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University House, Winston Churchill Avenue, Portsmouth, Hampshire, PO1 2UP, United Kingdom of Great Britain and Northern Ireland — University of Portsmouth
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University House, Winston Churchill Avenue, Portsmouth, Hampshire, PO1 2UP, United Kingdom of Great Britain and Northern Ireland — University of Portsmouth
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Online Oxford Martin School Event, Online, Oxfordshire, N/A, United Kingdom of Great Britain and Northern Ireland — University of Oxford
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Sustainable Places Research Institute, Cardiff University, Cardiff, Cardiff [Caerdydd GB-CRD], CF10 3BA, United Kingdom of Great Britain and Northern Ireland — Cardiff University
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