ScienceDaily: Most Popular News |
- Rosetta's comet lander: Pioneering Philae completes main mission before hibernation
- Chemical in coffee may help prevent obesity-related disease
- Females protect offspring from infanticide by forcing males to compete through sperm
- Disgust leads people to lie and cheat; Cleanliness promotes ethical behavior
- Intimidating chimpanzee males are more likely to become fathers
- Genetic tweak gave yellow fever mosquitoes a nose for human odor
- Live longer? Save the planet? Better diet could nail both
- Learning languages is a workout for brains, both young, old
- Global warming not just a blanket: In the long run, it's more like tanning oil
- Certain gut bacteria may induce metabolic changes following exposure to artificial sweeteners
| Rosetta's comet lander: Pioneering Philae completes main mission before hibernation Posted: 15 Nov 2014 04:49 AM PST Rosetta's lander has completed its primary science mission after nearly 57 hours on Comet 67P/Churyumov-Gerasimenko. |
| Chemical in coffee may help prevent obesity-related disease Posted: 14 Nov 2014 09:49 AM PST A chemical compound commonly found in coffee may help prevent some of the damaging effects of obesity. Scientists have found that chlorogenic acid, or CGA, significantly reduced insulin resistance and accumulation of fat in the livers of mice who were fed a high-fat diet. |
| Females protect offspring from infanticide by forcing males to compete through sperm Posted: 13 Nov 2014 11:20 AM PST New research shows the females of some species will have many mates to ensure unclear paternity, so that males can't resort to killing their rival's offspring for fear of killing their own. This forces males to evolve to compete through sperm quantity, leading to ever-larger testicles. Scientists find that as testis size increases, infanticide disappears. |
| Disgust leads people to lie and cheat; Cleanliness promotes ethical behavior Posted: 13 Nov 2014 09:33 AM PST While feelings of disgust can increase behaviors like lying and cheating, cleanliness can help people return to ethical behavior, according to a recent study. The study highlights the powerful impact emotions have on individual decision-making. |
| Intimidating chimpanzee males are more likely to become fathers Posted: 13 Nov 2014 09:29 AM PST Chimpanzee males that treat females aggressively father more offspring over time. The findings are based on genetic evidence of paternity and suggest that sexual coercion via long-term intimidation is an adaptive strategy for males in chimpanzee society. |
| Genetic tweak gave yellow fever mosquitoes a nose for human odor Posted: 12 Nov 2014 05:33 PM PST One of the world's deadliest mosquitoes sustains its taste for human blood thanks in part to a genetic tweak that makes it more sensitive to human odor, according to new research. |
| Live longer? Save the planet? Better diet could nail both Posted: 12 Nov 2014 10:20 AM PST A new study shows how a shift away from this trajectory and toward healthier traditional Mediterranean, pescatarian or vegetarian diets could not only boost human lifespan and quality of life, but also slash greenhouse gas emissions and save habitat for endangered species. |
| Learning languages is a workout for brains, both young, old Posted: 12 Nov 2014 09:02 AM PST Learning a new language changes your brain network both structurally and functionally, according to researchers. "Like physical exercise, the more you use specific areas of your brain, the more it grows and gets stronger," said the lead investigator. |
| Global warming not just a blanket: In the long run, it's more like tanning oil Posted: 10 Nov 2014 01:11 PM PST Instead of carbon dioxide being like a blanket that slowly warms the planet, after about a decade most warming comes from melting ice and snow and a more moist atmosphere, which both cause Earth to absorb more shortwave radiation from the sun. |
| Certain gut bacteria may induce metabolic changes following exposure to artificial sweeteners Posted: 17 Sep 2014 10:16 AM PDT Artificial sweeteners have long been promoted as diet and health aids. But breaking research shows that these products may be leading to the very diseases they were said to help prevent: scientists have discovered that, after exposure to artificial sweeteners, our gut bacteria may be triggering harmful metabolic changes. |
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