Joe Biden and Kamala Harris. Photograph: Rachel Mummey/The New York Times, Mark Felix/The New York Times

Joe Biden on Wednesday will face rival Kamala Harris in a highly anticipated rematch after a searing confrontation during last month’s presidential de(...)

Incidentaloma  are unanticipated findings which are not related to the original reason for a test.

You go to your GP with low back pain. She organises an MRI scan to check if you have a slipped spinal disc. Your spine is fine, but the radiologist no(...)

Esaïe Prickett, wearing Google Glass, with his mother, Rose, and brother Morgan at their home. Photograph: Cayce Clifford/The New York Times

When Esaïe Prickett sat down in the living room with his mother, father and four older brothers, he was the only one wearing Google Glass. As Esaïe, (...)

An artist’s rendering of a brain/computer interface made by Neuralink. The San Francisco-based company  says it has created a device that could one day wire data links directly to the brain

Elon Musk aspires to make inserting a computer connection into your brain as safe and painless as Laser eye surgery. Neuralink, a company in which Mus(...)

Ukrainian rock star turned politician Svyatoslav Vakarchuk (centre) campaigning for his new Holos (Voice) party in Odessa on Sunday, a week before parliamentary elections. Photograph: Daniel McLaughlin

A year ago, two of Ukraine’s most popular entertainers were still busy doing the things that made them famous: Volodymyr Zelenskiy was working on anot(...)

Does the Charter for Compassion get us closer to doing unto others as we would want them to do unto us?

Last month RTÉ showed a programme called Divorcing God. Its theme was whether the decline in Catholic religious practice in Ireland was depriving soci(...)

George Gascón, the district attorney, has acknowledged that a disproportionate number of African Americans are prosecuted in the city, which led him to ask a troubling question: To what extent does bias affect the work of prosecutors? Photograph: Shawn Calhoun

While riding the train in San Francisco three years ago, a white man told an African-American man that he smelled bad and should move away from him. A(...)

Xu Li, chief executive of SenseTime Group, is identified by the company’s facial recognition system. Photograph: Gilles Sabrie/Bloomberg via Getty

Microsoft has quietly pulled from the internet its database of 10 million faces, which has been used to train facial recognition systems around the wo(...)

Safi Bachall: “The Venn Diagram of people running businesses with a science background is tiny.”

Scientists are experts in failure. It’s what they do most of the time. Before they see the light of day, ideas with the potential to save lives or ot(...)

Maryam Mirzakhani was awarded a Fields Medal for her mathematical research. She died from breast cancer at the age of 40 in 2017.

The influential collection of biographical essays by Eric Temple Bell, Men of Mathematics, was published in 1937. It covered the lives of about 40 mat(...)

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