Biology

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It’s a good time to learn the immune system—and this is the book for it

reader comments 2 with 2 posters participating Share this story If ever there was...

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Two cannabinoids have opposing effects on SARS-CoV-2 in culture

Enlarge / Don’t try this at home. Seriously. We mean it. reader comments 34...

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The genetic engineering behind pig-to-human transplants

Enlarge / Cloned piglets that are engineered to be useful for organ transplants to...

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Study: Female dolphins have a working clitoris, so they probably enjoy sex

Enlarge / Sure, they look like they’re just taking a friendly swim, but these...

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Immune system vs. virus: Why omicron had experts worried from the start

Enlarge / Illustration of antibodies responding to an infection of SARS-CoV-2. Getty Images/Kateryna Kon/Science...

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Pig heart transplanted to human for the first time

Enlarge / The transplant team with the replacement heart. reader comments 108 with 76...

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Virtual 3D models of ammonite fossils show their muscles for first time

Lesley Cherns et al. reader comments 2 with 2 posters participating Share this story...

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Researchers built a gecko-bot to study how geckos glide and crash land

Enlarge / A gecko perches on a leaf. A September study found that geckos...

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Could we build a synthetic digestive system for Vision to make him more human?

<img src="https://cdn.arstechnica.net/wp-content/uploads/2021/12/visionTOP-800×528.jpg" alt="The birth of Vision in Avengers: Age of Ultron. Scientists have proposed...

6 min read

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Tiny tardigrades walk like insects 500,000 times their size

Enlarge / SEM Micrograph of a tardigrade, more commonly known as a water bear...