BlogArena

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

21. Aug 2019

December 18, 2015
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Ants build ‘living’ bridges with their bodies, speak volumes about group intelligence

Columns of workers penetrate the forest, furiously gathering as much food and supplies as they can. They are a massive army that living things know to avoid, and that few natural obstacles can waylay. So determined are these legions that … Continue reading

December 6, 2015
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Quiet ‘epidemic’ of drugs, alcohol and suicide has killed half a million middle-aged white Americans

Despite advances in health care and quality of life, white middle-aged Americans have seen overall mortality rates increase over the past 15 years, representing an overlooked “epidemic” with deaths comparable to the number of Americans who have died of AIDS, … Continue reading

October 12, 2015
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After 85-year search, massless particle with promise for next-generation electronics discovered

An international team led by Princeton University scientists has discovered an elusive massless particle theorized 85 years ago. The particle could give rise to faster and more efficient electronics because of its unusual ability to behave as matter and antimatter … Continue reading

March 29, 2015
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Rice-sized laser, powered one electron at a time, bodes well for quantum computing

Princeton University researchers have built a rice grain-sized laser powered by single electrons tunneling through artificial atoms known as quantum dots. The tiny microwave laser, or “maser,” is a demonstration of the fundamental interactions between light and moving electrons.

February 8, 2015
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New, tighter timeline confirms ancient volcanism aligned with dinosaurs’ extinction

A definitive geological timeline shows that a series of massive volcanic explosions 66 million years ago spewed enormous amounts of climate-altering gases into the atmosphere immediately before and during the extinction event that claimed Earth’s non-avian dinosaurs, according to new … Continue reading

January 12, 2015
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Wild sheep show benefits of putting up with parasites

In the first evidence that natural selection favors an individual’s infection tolerance, researchers from Princeton University and the University of Edinburgh have found that an animal’s ability to endure an internal parasite strongly influences its reproductive success. Reported in the … Continue reading

November 14, 2014
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In one of nature’s innovations, a single cell smashes and rebuilds its own genome

Life can be so intricate and novel that even a single cell can pack a few surprises, according to a study led by Princeton University researchers. The pond-dwelling, single-celled organism Oxytricha trifallax has the remarkable ability to break its own … Continue reading

October 18, 2014
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Becoming an expert takes more than practice

Practice doesn’t make it perfect. Deliberate practice may have less influence in building expertise than previously thought, according to an analysis by researchers at Princeton University, Michigan State University and Rice University.