BlogArena

General blog about anything and everything of everyday's life.

21. Aug 2019

April 25, 2014
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Elusive leptin

Researchers find first evidence of fat-regulating hormone in avian species Since leptin was discovered 20 years ago, more than 115,000 papers have been published on this protein in humans, and another 5,000 have appeared on leptin in mice. Leptin’s popularity … Continue reading

March 12, 2014
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Evolutionary study finds neglected fin may have a function

Fin’s emergence in many species challenges assumption that it’s a useless remnant Although present in more than 6,000 living species of fish, the adipose fin, a small appendage that lies between the dorsal fin and tail, has no clear function … Continue reading

January 12, 2014
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New Study Finds Extreme Longevity in White Sharks

Great white sharks—top predators throughout the world’s ocean—grow much slower and live significantly longer than previously thought, according to a new study led by the Woods Hole Oceanographic Institution (WHOI). In the first successful radiocarbon age validation study for adult … Continue reading

December 7, 2013
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Taking a New Look at Carbon Nanotubes

Berkeley Researchers Develop Technique For Imaging Individual Carbon Nanotubes Despite their almost incomprehensibly small size – a diameter about one ten-thousandth the thickness of a human hair – single-walled carbon nanotubes come in a plethora of different “species,” each with … Continue reading

December 5, 2013
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Imperiled Mussels May be Further Harmed by Climate Change

Rising water temperatures as a result of climate change may harm already endangered or threatened native freshwater mussels in North America, according to a new U.S. Geological Survey report. During laboratory tests, USGS scientists and partners found that the heart … Continue reading

November 16, 2013
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Dogs likely originated in Europe more than 18,000 years ago, UCLA biologists report

Wolves likely were domesticated by European hunter–gatherers more than 18,000 years ago and gradually evolved into dogs that became household pets, UCLA life scientists report. “We found that instead of recent wolves being closest to domestic dogs, ancient European wolves … Continue reading

October 16, 2013
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Useful pesticides

We all know about the harm that can be caused by pesticides. While being misused, pesticides can have a negative impact on the plants, animals and human health. Animals that eat the treated with pesticides plants, have a small amount … Continue reading

September 11, 2013
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Effects of Climate Change on West Nile Virus

A study projects how climate change may affect virus-carrying mosquitoes across the southern U.S. Changes are expected to vary with region, and the southern states should see a trend toward longer seasons of mosquito activity and smaller midsummer mosquito populations … Continue reading