Science
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One cycle means paying up to £8,000 and the birth rate is just 18%. Despite this, women are increasingly choosing this route -
Study involving reimplanting testicular tissue later in life hailed as breakthrough
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Beresheet spacecraft will attempt to land on the moon and measure its magnetic field -
Thousands of fossils date back to huge burst in diversity of life on Earth known as Cambrian explosion -
With almost half of British adults taking a daily vitamin, Graihagh Jackson and guests examine our love of supplements - including recent announcments about fortifying flour with folic acid
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Science agency says scourge of wandering trad could be slowed by fungus, which they have called its ‘natural pathogen’ -
Oil giant could lose lobby access for failing to answer climate change denial questions -
Science Weekly podcast
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Nicola Davis and Jordan Erica Webber examine the repercussions of a male-orientated world – from drugs that don’t work for women to VR headsets that give them motion sickness -
Nicola Davis bids a fond farewell to the Mars rover Opportunity after Nasa declared the mission finally over, 15 years after the vehicle landed on the red planet. -
With the Large Hadron Collider reaching its upper limits, scientists around the world are drawing up plans for a new generation of super colliders. Ian Sample weighs up whether or not the potential new discoveries a collider may make will justify the cost of building them. -
Earth’s north magnetic pole wandering so quickly in recent decades that this week, scientists decided to update the World Magnetic Model, which underlies navigation for ships and planes today. Ian Sample looks at our relationship with the magnetic north.
Key issues
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The Observer New Review offers you the chance to quiz the superstar physicist on time, space or anything in between
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His new show, After Life, divides opinion, except in my household
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Fossil-fuel extraction must end before more lives are lost, says Landry Ninteretse, the Africa lead for 350.org -
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The answers to today’s Jedi language puzzle -
A Jedi language puzzle -
Answers to today’s kinship riddles -
Test your ken about kinship
Multimedia
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With almost half of British adults taking a daily vitamin, Graihagh Jackson and guests examine our love of supplements - including recent announcments about fortifying flour with folic acid
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Memory does not work like a video tape – it is not stored like a file just waiting to be retrieved. Instead, memories are formed in networks across the brain and every time they are recalled they can be subtly changed. So if these memories are changeable, how much should we trust them?
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SpaceX's new crew capsule returned to Earth on Friday, ending its first test flight by splashing down successfully in the Atlantic Ocean
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In the second episode of Five Minute Masterminds, the author and broadcaster Timandra Harkness introduces big data, explaining how big it actually is, its impact on recent political elections and how it can change your life
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SpaceX Crew Dragon docks at the International Space Station after a 27-hour journey from Florida which began on Saturday
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A successful SpaceX spacecraft launch brings US plans to resume sending people into space in own spacecraft closer
Experience I mudlarked a skull