You’ll never guess why a quick peace in Ukraine might be in the ambassador to Washington’s interests, writes SOLOMON HUGHES. Actually, of course you will – he stands to make a lot of money from his business links to Russia
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An error occurred while searching, try again later.Patents: how the profit machine costs lives
Despite miraculous trial results showing new treatment could halt transmission, corporate greed and patent laws condemn millions to preventable infection and death, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

DECIDING a particular year when a scientific discovery or advance took place is often an arbitrary decision. Archimedes is said to have leapt from his bathtub and shouted “Eureka!” when he realised that the volume of any object, no matter how complicated, could be found by placing the object in water and measuring the volume of water it displaces.
But even that eureka moment is of dubious authenticity. It is rare for scientific research to advance in a glorious instant of revelation.
So when the journal Science named the HIV/AIDS drug lenacapavir as its “breakthrough of the year,” it shouldn’t be surprising that its story began far earlier.
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It’s sunny times for the solar industry which is expected to continue to grow rapidly — but there are still major environmental issues with how solar cells are made, explain ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

Fraud in Alzheimer’s research raises difficult questions about the current state of science, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

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Natural hydrogen gas could be a replacement for fossil fuels, but its extraction could see developing nations face familiar patterns of land loss and resource theft, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT