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Sciencealert

The latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.

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News

ScienceAlert
sciencealert.com > a-neuroscientist-says-your-brain-may-not-actually-make-decisions

A Neuroscientist Says Your Brain May Not Actually Make Decisions

4+ day, 11+ hour ago   (358+ words) You may think you made a decision to read this article, but did you, really? What we consider to be making a decision might in fact be a different kind of brain interaction between what we perceive, and the actions…...

ScienceAlert
sciencealert.com > scientists-uncover-shared-genetic-roots-of-ocd-tourette-syndrome-and-autism

Scientists Uncover Shared Genetic Roots of OCD, Tourette Syndrome, And Autism

5+ day, 9+ hour ago   (573+ words) The prenatal to postnatal development of our brains involves a complex cascade of chemicals, branching brain-signaling pathways, and unfolding neural cells – the evolution of a universe in microcosm. This incredibly intricate development can lead to potentially debilitating conditions like obsessive-compulsive…...

ScienceAlert
sciencealert.com > scientists-identify-a-nose-to-brain-circuit-that-links-anxiety-and-breathing

Scientists Identify a Nose-to-Brain Circuit That Links Anxiety And Breathing

5+ day, 20+ hour ago   (283+ words) Anxiety disorders are humanity's most common mental disorders, affecting some 359 million people globally....

ScienceAlert
sciencealert.com > could-the-next-alzheimers-treatment-be-encoded-in-deep-sleep

Deep Sleep Brain Waves Offer Protection Against Alzheimer's Disease, New Research Shows

1+ week, 6+ day ago   (641+ words) We know sleep and Alzheimer's disease are intricately linked. In a new study published in the journal Neurology, a team of scientists explores the associations between particular kinds of electrical activity that occur during deep sleep, a peptide neurotransmitter called…...

ScienceAlert
sciencealert.com > scientists-may-have-found-the-exact-brain-cells-crucial-for-sustaining-motivation

Scientists May Have Found The Exact Brain Cells Crucial For Sustaining Motivation

2+ week, 4+ day ago   (211+ words) Motivation (or a lack of it) shapes our lives in ways large and small every day: From changing careers to changing TV channels, we're guided by what motivates us and what we find rewarding....

ScienceAlert
sciencealert.com > scientists-reveal-the-strange-neurological-reason-your-pupils-dilate-when-youre-surprised

Scientists Reveal The Strange Neurological Reason Your Pupils Dilate When You're Surprised

2+ week, 6+ day ago   (358+ words) Your pupils quickly dilate when you enter a dark room, letting in more light to help you see....

ScienceAlert
sciencealert.com > hidden-pulses-within-your-brain-may-hold-your-thoughts-together

Hidden Pulses Within Your Brain May Hold Your Thoughts Together

3+ week, 21+ hour ago   (462+ words) When you recognize a familiar face, your brain must connect that face with a name, a place, and perhaps a memory....

ScienceAlert
sciencealert.com > largest-psychedelic-brain-study-yet-reveals-how-psilocybin-helps-people-feel-at-one-with-existence

The World's Largest Psychedelic Brain Study of Its Kind Just Found 'Hidden Order' in The Chaos

3+ week, 2+ day ago   (864+ words) Psychedelics are becoming more clinically relevant, and a slew of recent research has explored the effects of psilocybin in ever-greater detail, revealing that it has the ability to imprint lasting, meaningful changes in brain activity. Psilocybin, the psychoactive powerhouse in…...

ScienceAlert
sciencealert.com > unprecedented-scientists-have-built-miniature-brains-that-experience-the-passage-of-time

Unprecedented: Scientists Have Built Miniature Brains That Experience The Passage Of Time

3+ week, 3+ day ago   (660+ words) Our brains comprise 86 billion neurons and the trillions of connections between them, whipping up an orchestrated storm of electricity and chemicals that pulse within a 3-pound lump of jellified fat, protein, and water. The intricate biological machine that defines us…...

ScienceAlert
sciencealert.com > scientists-discover-a-new-organ-hiding-in-the-skull

Scientists Discover a New Organ Hiding in The Skull

3+ week, 3+ day ago   (753+ words) After centuries of medical science, it's reasonable to assume that we have a complete tally of all the organs in the human body by now. But scientists just keep discovering new ones working thanklessly in the background, performing vital functions…...