How to Fit a Bicycle

Your body’s position on the bike affects how you ride. It affects how much power you can efficiently deliver to the pedals. It affects how comfortable you are on the bike. A position that is more comfortable may not allow you to put as much energy into moving the bike forward as a less comfortable […]

Kevin Bacon’s closer than you think, Facebook finds folks separated by less than 4 degrees (update)

Facebook’s fertile ground for social experiments, and it wasn’t all that long ago that Yahoo tested the six degrees of separation theory using the site. Not to be outdone, Mark Zuckerberg’s crew, with an assist from the Laboratory for Web Algorithmics of the Universit√† degli Studi di Milano, has done a little digging of its […]

Mid-Life Career Change

At the age of 40, Grant was a school teacher who merely existed from one day to the next. He didn’t dislike his chosen career path, but was becoming increasingly frustrated. The frustration made him feel irritable and he took it out on the people closest to him, leaving him even more isolated. See full […]

NASA to support IU astronomer’s quest to develop largest-ever star formation database

By integrating the measurements of the electromagnetic radiation of galaxies from four projects — the two space missions Galaxy Evolution Explorer (GALEX) and Wide-Field Infrared Survey Explorer (WISE), and two ground-based projects, the Sloan Digital Sky Survey (SDSS) and the Two Micron All-Sky Survey (2MASS) — an international team led by Salim hopes to use […]

Biometrics Beyond Fingerprints And Iris Scans

DNA profiling: DNA, the nucleic acid in nearly all living organisms that carries genetic information, is considered the ultimate biometric measurement. It produces proof-positive identification of a person, except in the case of identical twins. However, unlike other biometrics it compares actual samples rather than templates generated from samples. See full story on