The Homeless Mathematician

When I was growing up, an unusual houseguest would show up at our door every few years. With steeply-arched eyebrows, a mile-wide grin, gigantic ears that looked like they could flap in the wind, and a wild tousle of white hair, he seemed to my 8-year-old self to resemble nothing less than an oversized hamster or rabbit. In a distinctive, nasal-whiney voice he would utter words in some unintelligible language that nevertheless seemed related to English. He called me and my brother “epsilons” and spoke of a mysterious food called “pea-napple-uppsheed-did-doven-tosh.” After a couple of weeks, he would disappear as suddenly as he had shown up.

Only years later, as an adult, did I learn that this man was one of the most famous mathematicians in the world: Paul Erdős. Continue reading “The Homeless Mathematician”

Science Insight – Science Databases

DNA sculpture at Seattle Science Center - photo courtesy of Jay L.Gale Science in Context (formerly The Science Resource Center) is a one-stop science database for all your science-related research needs. This in-depth, curriculum-oriented, resource focuses on key concepts taught in school classrooms, including…

  • Biology
  • Chemistry
  • Earth and Environmental Science
  • Health and Medicine
  • Math and Technology
  • Physics and Astronomy

In addition to these six major subjects, the revamped database main page provides access to approximately 390 preselected topics ranging from “abortion and family planning” to “zoology.” It also presents more complex topics such as “reflection, refraction, diffraction and wave interference.” Searchable content includes images, academic journals, experiments, news, magazines, statistics, videos, audio plugs and websites.

Choose the topic “evolution” and you Continue reading “Science Insight – Science Databases”