ScienceDaily: Top Science News |
- Fast food not the major cause of rising childhood obesity rates, study finds
- Arctic: Mercury deposition and ozone depletion, linked to sea-ice dynamics
- Oldest trees are growing faster, storing more carbon as they age
- First planet found around solar twin in star cluster
- Technology uses micro-windmills to recharge cell phones
- Study reveals senses of sight, sound separated in children with autism
| Fast food not the major cause of rising childhood obesity rates, study finds Posted: 15 Jan 2014 10:27 AM PST For several years, many have been quick to attribute rising fast-food consumption as the major factor causing rapid increases in childhood obesity. Now researchers report that fast-food consumption is simply a byproduct of a much bigger problem: poor all-day-long dietary habits that originate in children's homes.  |
| Arctic: Mercury deposition and ozone depletion, linked to sea-ice dynamics Posted: 15 Jan 2014 10:27 AM PST Scientists have established, for the first time, a link between Arctic sea ice dynamics and the region's changing atmospheric chemistry potentially leading to increased amounts of mercury deposited to the Earth's northernmost and most fragile ecosystems.  |
| Oldest trees are growing faster, storing more carbon as they age Posted: 15 Jan 2014 10:27 AM PST In a finding that overturns the conventional view that large old trees are unproductive, scientists have determined that for most species, the biggest trees increase their growth rates and sequester more carbon as they age. An international research group reports that 97 percent of 403 tropical and temperate species grow more quickly the older they get.  |
| First planet found around solar twin in star cluster Posted: 15 Jan 2014 04:54 AM PST Astronomers have discovered three planets orbiting stars in the cluster Messier 67. Although more than one thousand planets outside the Solar System are now confirmed, only a handful have been found in star clusters. Remarkably one of these new exoplanets is orbiting a star that is a rare solar twin -- a star that is almost identical to the Sun in all respects.  |
| Technology uses micro-windmills to recharge cell phones Posted: 15 Jan 2014 04:43 AM PST Electrical engineers have designed a micro-windmill that generates wind energy and may become an innovative solution to cell phone batteries constantly in need of recharging and home energy generation where large windmills are not preferred.  |
| Study reveals senses of sight, sound separated in children with autism Posted: 14 Jan 2014 05:26 PM PST Like watching a foreign movie that was badly dubbed, children with autism spectrum disorders (ASD) have trouble integrating simultaneous information from their eyes and their ears, according to a study published.  |
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