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Mo Costandi
Moheb Costandi is a freelance science writer based in London. His work has been published in Nature, Science, Scientific American, The Guardian, and New Scientist, among other publications. His latest book is Body Am I: The New Science of Self-Consciousness (MIT Press, October 2022). He also authors the blog Neurophilosophy. Follow him on Twitter @mocost.
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The separation of conjoined twins is fraught with stomach-churning biomedical and ethical challenges.
One tiny change might have made a huge difference.
We also don't know how Tylenol works. But it does work.
But don't buy your own brain zapping machine, yet.
Cognitive fatigue results from thinking too hard and long. Neuroscientists now believe they know why this occurs.
Long thought incapable of regenerating, we now know that brain cells can grow and reorganize. That, it turns out, is a mixed blessing.
Patients with amygdala damage rejected the widely accepted answer to the infamous "trolley problem," saying that it "hurts too much."