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How human brains became so big

The human brain is disproportionately large. And while abundant grey matter confers certain intellectual advantages, sustaining a big brain is costly — consuming a fifth of energy in the human body. It is an oddity that has long flummoxed scientists: while most organisms thrive with small brains, or none at all, the human species opted…

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May 24, 2018


Bats’ brains boil in Australia heatwave

NEWS DESK: Hundreds of bats have died in sweltering conditions in Australia, with many dropping from their perches as the scorching temperatures “fried their brains”, wildlife officials said Tuesday, reported AFP. A record-breaking heatwave saw the mercury rise to 45 Celsius (113 Fahrenheit) in Sydney’s western suburb of Campbelltown on Sunday where hundreds, if not…

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January 9, 2018


Belgium gets world’s biggest pickled brain collection

BRUSSELS: A new collection in the psychiatric hospital of Duffel in the north of Belgium makes for a ghoulish sight: around 3,000 preserved brains that were originally saved by a British doctor. The collection of frontal lobes, hippocampi and other key parts of the brain floating in formaldehyde or fixed in paraffin will be used…

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September 15, 2016


Cosmic rays may damage the brains of astronauts

WASHINGTON: It may not be space debris, errant asteroids, supply shortages, thruster malfunctions or even the malevolent aliens envisioned in so many Hollywood films that thwart astronauts on any mission to Mars. It may be the ubiquitous galactic cosmic rays. Researchers said on Friday long-term exposure to these rays that permeate space may cause dementia-like…

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May 1, 2015


Brains of simple sea animals could help cure neural disorders

ORLANDO: “There is more than one way to make a brain,” University of Florida researcher Leonid Moroz, who led an international research team, told Reuters. A Florida scientist studying simple sea animals called comb jellies has found the road map to a new form of brain development that could lead to treatments for Parkinson's, Alzheimer's…

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May 22, 2014


Researchers focus on cell phones effects on teen brains

LONDON: British researchers are launching the largest study in the world to investigate whether using mobile phones and other wireless gadgets might affect children's brain development. The Study of Cognition, Adolescents and Mobile Phones, or SCAMP, project will focus on cognitive functions such as memory and attention, which continue to develop into adolescence – just…

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May 20, 2014


See-through brains promise to clear up mental mysteries

NEW YORK: If Dr Karl Deisseroth were an architect, he might be replacing stone or brick walls with floor-to-ceiling glass to build transparent houses. But since he is a neuroscientist at Stanford University, he has done the biological equivalent: invented a technique to make brains transparent, a breakthrough that should give researchers a truer picture…

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April 10, 2013


Extra prenatal choline doesn't help kids' brains

NEW YORK: Taking extra choline during pregnancy does not improve babies' language and memory skills, according to a new study.”I think eating the recommended amount of choline, which is just about a half of a gram a day for pregnant women, would probably do you well,” Dr. Steven Zeisel, the senior author of the study…

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November 24, 2012


Carbon dioxide affecting fish brains: study

SYDNEY: Rising human carbon dioxide emissions may be affecting the brains and central nervous systems of sea fish, with serious consequences for their survival, according to new research.Carbon dioxide concentrations predicted to occur in the ocean by the end of this century will interfere with fishes' ability to hear, smell, turn and evade predators, the…

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January 16, 2012

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