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Hannah Devlin, theguardian: Scientists have shown the urge to eat after smoking is caused by cannabinoids hijacking brain cells that normally suppress appetite. Caption: Research on the ‘munchies’ side-effect of smoking cannabis has helped scientists understand how the appetite centre of the brain responds to marijuana. Photograph: Alamy

Hannah Devlin, theguardian: Scientists have shown the urge to eat after smoking is caused by cannabinoids hijacking brain cells that normally suppress appetite. Caption: Research on the ‘munchies’ side-effect of smoking cannabis has helped scientists understand how the appetite centre of the brain responds to marijuana. Photograph: Alamy

Smoking cannabis every day ‘shrinks brain but increases its connectivity’ - Study on drug’s long-term neurological impact suggests initial increases in brain wiring to compensate for loss of grey matter. Caption: The study showed that after six to eight years of continually taking cannabis the increases in structural wiring declined. Photograph: Mykel Nicolaou/Rex Features

Smoking cannabis every day ‘shrinks brain but increases its connectivity’ - Study on drug’s long-term neurological impact suggests initial increases in brain wiring to compensate for loss of grey matter. Caption: The study showed that after six to eight years of continually taking cannabis the increases in structural wiring declined. Photograph: Mykel Nicolaou/Rex Features

Is it a solar cell? Or a rechargeable battery? Actually, the patent-pending device is both: the world’s first solar battery. Scientists have succeeding in combining a battery and a solar cell into one hybrid device.

Batteries included: A solar cell that stores its own power

Is it a solar cell? Or a rechargeable battery? Actually, the patent-pending device is both: the world’s first solar battery. Scientists have succeeding in combining a battery and a solar cell into one hybrid device.

10 Big Ideas in 10 Years of Brain Science Scientific American Mind reflects on the major discoveries of the past decade that have transformed how we think about the brain.

10 Big Ideas in 10 Years of Brain Science Scientific American Mind reflects on the major discoveries of the past decade that have transformed how we think about the brain.

Scientists completed the largest whole genome study of a single class of animals to date by mapping the tree of life for birds, using avian genetic samples from Louisiana State University's Museum of Natural Science, one of the world's largest. Credit: Photo by Eddy Perez, LSU University Relations - Usage: CREDIT - Photo by Eddy Perez, LSU University Relations - Related: Mapping the tree of life - http://www.eurekalert.org/pub_releases/2014-12/lsu-mtt121114.php

Scientists completed the largest whole genome study of a single class of animals to date by mapping the tree of life for birds, using avian genetic samples from Louisiana State University's Museum of Natural Science, one of the world's largest. Credit: Photo by Eddy Perez, LSU University Relations - Usage: CREDIT - Photo by Eddy Perez, LSU University Relations - Related: Mapping the tree of life - http://www.eurekalert.org/pub_releases/2014-12/lsu-mtt121114.php

(Medical Xpress)—Drugs that boost the function of a specific type of neurotransmitter receptor may provide benefit to patients with the second most common type of dementia, Frontotemporal dementia, known as FTD, according to research by scientists at the University of Alabama at Birmingham published today in the Journal of Neuroscience.

(Medical Xpress)—Drugs that boost the function of a specific type of neurotransmitter receptor may provide benefit to patients with the second most common type of dementia, Frontotemporal dementia, known as FTD, according to research by scientists at the University of Alabama at Birmingham published today in the Journal of Neuroscience.

Is it a solar cell? Or a rechargeable battery? Actually, the patent-pending device is both: the world’s first solar battery. Scientists have succeeding in combining a battery and a solar cell into one hybrid device.

Is it a solar cell? Or a rechargeable battery? Actually, the patent-pending device is both: the world’s first solar battery. Scientists have succeeding in combining a battery and a solar cell into one hybrid device.

10 Big Ideas in 10 Years of Brain Science Scientific American Mind reflects on the major discoveries of the past decade that have transformed how we think about the brain.

10 Big Ideas in 10 Years of Brain Science Scientific American Mind reflects on the major discoveries of the past decade that have transformed how we think about the brain.

Scientists completed the largest whole genome study of a single class of animals to date by mapping the tree of life for birds, using avian genetic samples from Louisiana State University's Museum of Natural Science, one of the world's largest. Credit: Photo by Eddy Perez, LSU University Relations - Usage: CREDIT - Photo by Eddy Perez, LSU University Relations - Related: Mapping the tree of life - http://www.eurekalert.org/pub_releases/2014-12/lsu-mtt121114.php

Scientists completed the largest whole genome study of a single class of animals to date by mapping the tree of life for birds, using avian genetic samples from Louisiana State University's Museum of Natural Science, one of the world's largest. Credit: Photo by Eddy Perez, LSU University Relations - Usage: CREDIT - Photo by Eddy Perez, LSU University Relations - Related: Mapping the tree of life - http://www.eurekalert.org/pub_releases/2014-12/lsu-mtt121114.php

(Medical Xpress)—Drugs that boost the function of a specific type of neurotransmitter receptor may provide benefit to patients with the second most common type of dementia, Frontotemporal dementia, known as FTD, according to research by scientists at the University of Alabama at Birmingham published today in the Journal of Neuroscience.

(Medical Xpress)—Drugs that boost the function of a specific type of neurotransmitter receptor may provide benefit to patients with the second most common type of dementia, Frontotemporal dementia, known as FTD, according to research by scientists at the University of Alabama at Birmingham published today in the Journal of Neuroscience.

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