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Brains

A rat brain (red) with a grafted human brain organoid (green)

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Human neurons implanted into a rat’s brain respond to flashing lights

Lab-grown neurons were transplanted into the brains of rats with damaged visual cortexes. After two months, the neurons responded when the rats saw flashing lights

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One large prairie vole stands against a smaller vole against a white background

Life

鈥楲ove hormone’ may not be crucial for social bonding after all

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2CX23A8 Microscopic COVID-19 Coronavirus Molecules Close Up - nCOV Influenza Virus Pathogen Under Macro Medical Lab Microscope - Testing, Awareness Concept

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The covid-19 virus gets into the brain 鈥� what does it do there?

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MRI scan of a brain

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Sneaking drugs into the brain could treat conditions like Alzheimer’s

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Human brain model on doctor hand. Doctor using pencil to demonstrate brain anatomy

Humans

The human brain can be squished 10 times as easily as polystyrene foam

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Two pupils of primary school walk hand in hand

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Specific brain markers could help diagnose children with ADHD

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The London Eye, Palace of Westminster and buildings in central London are seen through the mist from the 15th floor of an office block in the City of London. The UK Government's pollution forecast website has advised moderate to high levels of pollution are possible near urban areas in the south of the UK, in particular London, as light winds allow a build-up of locally emitted pollutants. (Photo by Daniel LEAL / AFP) (Photo by DANIEL LEAL/AFP via Getty Images)

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Air pollution likely to be causing dementia, say UK science advisers

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3 How Do We Sense Time? Mechanical brain, conceptual image. Composite image of coloured medical imagery of a human brain and skull, with cogs and gears representing concepts such as memory, time and mechanical brains. The imagery includes 3D computed tomography (CT) scans of the skull and 3D magnetic resonance imaging (MRI) scans of the brain. The scans are of a 30-year-old woman.

Mind

How do we sense time? The brain cells that order our memories

Features
Carrion crow (Corvus corone) black bird portrait of head and looking at camera. Wildlife in nature. Netherlands; Shutterstock ID 1928268914; purchase_order: -; job: -; client: -; other: -

Life

Crows may owe their intelligence to an abundance of certain neurons

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FMRI scan during working memory tasks

Mind

Brain scanning studies are usually too small to find reliable results

Most studies that have used MRI machines to find links between the brain鈥檚 structure or function and complex mental traits had an average of 23 participants, but thousands are needed to find reliable results

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Giving low-income US families $4000 a year boosts child brain activity

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Humans

Higher US welfare benefits seem to protect children’s brains

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Life

Fish brains grow when they have to think more and shrink if they don’t

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