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MDMA was hyped as a promising treatment for PTSD – what went wrong?

MDMA has long been used recreationally but it has faced obstacles getting approved for medical therapies Shutterstock / Couperfield “The

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Which AI chatbot is best at avoiding disinformation?

Russian propaganda about its invasion of Ukraine is affecting AI chatbot accuracy Roman Pilipey/AFP/Getty Artificial intelligence chatbots struggle to consistently

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Radioactive ion beam could target tumours more precisely

A PET scan of a mouse receiving radioactive ion beam treatment. The edges of the tumour are marked with a

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Bacteria can work as a team to spot prime numbers and vowels

Scientists have genetically engineered bacteria derived from Escherichia coli into simple computers Siarhei Yurchanka / Alamy Genetically engineered bacteria can

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AI discovers hundreds of ancient Nazca drawings in Peruvian desert

A 22-metre-long drawing depicting a killer whale holding a knife Masato Sakai Hundreds of ancient drawings depicting decapitated human heads

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XEC: What we know about the new covid-19 variant and its symptoms

Covid-19 variant XEC may spread more easily than previous variants Jarun Ontakrai/Shutterstock A new covid-19 variant called XEC has started

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Venus could be rocked by thousands of quakes every year

Venus may have regular quakes linked to the activity of volcanoes like the giant Maat Mons, which towers nearly 5

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Polaris Dawn mission is one giant leap for private space exploration

An artist’s rendering of the spacewalk on the Polaris Dawn mission SpaceX SpaceX’s Polaris Dawn mission is a leap forward

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Polaris Dawn latest: SpaceX crew complete first ever ‘stand-up’ civilian spacewalk

Jared Isaacman looks out of the Dragon capsule’s hatch SpaceX SpaceX made history today as its private astronauts conducted the

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Clown visits may shorten the amount of time children spend in hospital

Medical clowns can help children through their treatments FatCamera/Getty Images Children and teenagers with pneumonia seem to spend less time