Monthly Archive: January 2019

Tholins: The red goo critical to life in the universe

Carl Sagan—who first coined the term—was tempted to call them “star-tar.” By Matthew Davis –  Tholins are a broad group of organic compounds formed when simpler molecules are irradiated. They are extremely common in our solar system, and studies have shown that their …

Study of lookalikes refutes popular personality theory

Researchers discover whether genes or social interaction shape personality. By Paul Ratner – Scientists looked at pairs of people who looked like each other but were not twins. The results showed that genetics plays a stronger role in personality formation than how alike …

The meteor shower that brought Tunguska is due in June

That disastrous rock now looks to have been a Beta Taurid passenger. By Robby Berman – By Z. Sekanina – Z. Sekanina, The Tunguska event – No cometary signature in evidence, Astron. J. 88 (1983) 1382. doi:10.1086/113429., Public Domain, https://commons.wikimedia.org/w/index.php?curid=61182393 Tunguska’s trajectory and …

 

Civita Bagnoregio, the dying city

By Jean-Pierre Fabre Bruot – Civita Bagnoregio (pronounced “Ban-yo-regio”) is a delightful ancient hamlet, noted for its striking position atop a plateau of  volcanic tuff overlooking the Tiber river valley. Perched on top of a tufa hill among a desolated valley made up of …