Proceedings of the National Academy of Sciences

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  • Is Global Warming Good for Biodiversity?

    Is Global Warming Good for Biodiversity?1

    New findings suggest that biodiversity increases during warm periods, which may imply that global warming is actually good for the origination of species. The problem is that the process usually takes between thousands and millions of years, while current global warming is happening at a much faster pace. The paper, published in the Proceedings of

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  • Use of Cannabis at Young Age Lowers Intelligence

    Use of Cannabis at Young Age Lowers Intelligence11

    Smoking cannabis may be especially harmful among teenagers who are under 18 years of age, but it may be relatively safe for ‘over-18 brains’, according to new research published in the Proceedings of the National Academy of Sciences. The paper is based on a follow-up of more than 1,000 individuals since their birth to age

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  • Damage from Chemical Exposure May Be Hereditary

    Damage from Chemical Exposure May Be Hereditary0

    New research on rats shows that exposure to a common fungicide affects the generations to come. Scientists exposed female gestating rats to vinclozolin, a fungicide known to disrupt hormones. Three generations later, their descendants were more likely to show stress and anxiety than their unexposed counterparts. ‘We did not know a stress response could be

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  • Talking About Ourselves Is Intrinsically Rewarding: Research

    Talking About Ourselves Is Intrinsically Rewarding: Research0

    Ambrose Bierce said it best in his The Devil’s Dictionary: ‘Bore, n.: A person who talks when you wish him to listen.’ Researchers, however, offer scientific evidence: talking about ourselves activates the areas of the brain linked to value and motivation, the same stimulated by food, sex, money and drug addiction. ‘Self-disclosure is a behavior

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