Day: September 5, 2019

Silicon as a semiconductor: Silicon carbide would be much more efficient

At the interface between silicon dioxide and silicon carbide, irregular clusters of carbon rings occur, which disturb the electronic function. Credit: Universität Basel, Departement Physik/Swiss Nanoscience Institute In power electronics, semiconductors are based on the element silicon—but the energy efficiency of silicon carbide would be much higher. Physicists of the University of Basel, the Paul…

Rare two-headed snake, ‘Double Dave’, found in US

Image copyright David Schneider, Herpetological Associates Image caption Double Dave was spotted in New Jersey’s Pine Barrens forested area A rare two-headed baby timber rattlesnake has been found in a forest in the US state of New Jersey. The reptile, named Double Dave, was spotted last month and taken by an environmental group.Joined at the…

Geologists uncover ancient mass extinction from 2 billion years ago

Even before macroscopic life has evolved, Earth’s inhabitants were faced with extinctions of gargantuan proportions.Image credits: Mike Beauregard/Wikimedia CommonsWe’re taught in school about the five mass extinctions. These mass extinctions — which mark the end of geological periods — were described in a landmark paper published in 1982. The “Big Five” extinction events, as they…

Students who do not date are not social misfits

Prior research identified four distinct dating trajectories from 6th to 12th grade: Low, Increasing, High Middle School, and Frequent. In a new study published in the Journal of School Health, researchers found that adolescents who were not in a romantic relationship had good social skills and low depression, and fared better or equal to peers…

Oxford University study finds out why people are left-handed

News   Stock image LEFT-handed people have been given a raw deal for generations, but they may have finally come out on top. Oxford University scientists say left-handers may have better verbal skills than their right-handed counterparts, thanks to new research. The team has found the first genetic instructions hardwired into human DNA that make someone…