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City in Sierra Leone covers buildings in mirrors to fight extreme heat

Environment

City in Sierra Leone covers buildings in mirrors to fight extreme heat

People in Freetown, Sierra Leone, are increasingly exposed to extreme heat due to climate change and the urban heat island effect, but covering homes in a reflective film significantly cut indoor temperatures

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A painting of Benjamin Franklin (1706-1790), one of the Founding Fathers of the United States, in London, 1767, wearing a blue suit with elaborate gold braid and buttons, a far cry from the simple dress he affected when he served as ambassador to France in later years. During his time in London, Franklin was the leading voice of American interests in England. He wrote popular essays on behalf of the colonies and was instrumental in securing the repeal of the 1765 Stamp Act. The painting is by David Martin and is currently on display in the White House. The bust on the left side is that of Isaac Newton. (Photo by: Pictures From History/Universal Images Group via Getty Images)

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The Limits of Genius review: What made Newton and Einstein stupid?

Culture

Blue Machine review: Earth's ocean as a giant engine

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Blue Machine review: Earth's ocean as a giant engine

Culture

The material glows green under force

Chemistry

3D-printed material glows green under pressure or friction

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The Ferryman review: A profound new take on a sci-fi staple

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The Ferryman review: A profound new take on a sci-fi staple

Culture

Read an extract from The Ferryman by Justin Cronin

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Read an extract from The Ferryman by Justin Cronin

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Justin Cronin on the books, films and TV that inspired The Ferryman

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Justin Cronin on the books, films and TV that inspired The Ferryman

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My chest is feeling so tight

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Allergic review: A great guide explores a complex medical mystery

Culture

2G47GDY Goya. Saturn Devouring his Son, one of the Black Paintings by Francisco Jose de Goya y Lucientes (1746-1828), mixed technique transferred to canvas, c. 1820-23

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Titanium Noir review: Gripping, philosophical science fiction

Culture

Let science guide horse welfare, not misguided, overemotional protest

Life

Let science guide horse welfare, not misguided, overemotional protest

Equine sports are increasingly under fire from animal rights activists, but science should be the focus for those who demand changes to the likes of horseracing and Olympic events, says Christa Lesté-Lasserre

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Addicted to Drama: Find out what it means to be called a 'drama queen'

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Life

Foraging for wild garlic: how, when and what to watch out for

Regulars

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Christopher Paolini on the 5 space operas that inspired his new novel

Culture

Technology

Death of an Author review: Murder mystery generated by AI isn't awful

Culture