BlogArena

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

April 26, 2014
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UA Researcher and Colleagues Discover the Birthplace of the Chili Pepper

Researchers have found that central-east Mexico gave birth to the domesticated chili pepper, which is now the world’s most widely grown spice crop. In the Southwest, the chili pepper is practically a dietary staple. It gives salsa a spicy crunch, … 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

June 11, 2013
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New device can extract human DNA with full genetic data in minutes

Take a swab of saliva from your mouth and within minutes your DNA could be ready for analysis and genome sequencing with the help of a new device. University of Washington engineers and NanoFacture, a Bellevue, Wash., company, have created … Continue reading

February 9, 2013
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Placental Mammal Diversity Blossomed After Age of Dinosaurs

Scientists build new ‘tree of life’ for placentals, visualize common ancestor Scientists have reconstructed the common ancestor of placental mammals–an extremely diverse group including animals ranging from rodents to whales to humans–using the world’s largest dataset of both genetic and … Continue reading

December 25, 2012
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Blades and Clades: Why Some Grasses Got Better Photosynthesis

Two groups — clades — of grasses that once had a common ancestry diverged. The PACMAD clade was predisposed to evolve a more efficient “C4” means of photosynthesis than grasses in the BEP clade. In a new study in the … Continue reading

July 1, 2012
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Chromosome Painting: Discovering beauty in DNA

Everyone has a genetic story. For artist Geraldine Ondrizek, an art professor at Portland’s Reed College, her story begins with the tragic loss of her child to a condition caused by a genetic anomaly. It’s a story that starts with … Continue reading

June 15, 2012
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Evolution of Religious Patriarchy as a Mate-Guarding Strategy?

One of the largest and longest studies in a traditional African society sheds light on religious practices and cuckoldry. Genetic data suggest religious patriarchy is directly analogous to the mate-guarding tactics used by animals to ensure paternity. Religious practices that … Continue reading

August 26, 2011
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Fossil Discovery Represents New Milestone in Early Mammal Evolution

*Northeast China fossil provides new information about earliest ancestors of today’s mammals* A well-preserved fossil discovered in northeast China provides new information about the earliest ancestors of most of today’s mammal species–the placental mammals.