House Republicans want Ukraine whistleblower and Hunter Biden to testify at impeachment hearings – CNBC

ESPN’s College GameDay pre-game show goes to a different location every week to preview the week’s college football action. Find the complete list of locations, schools, appearances and fun facts here. […]

What Exactly Makes One Knot Better Than Another Has Not Been Well-Understood – Until Now  SciTechDailyA new mathematical model predicts a knot’s stability  Phys.orgColor-Changing Fibers Unravel a Knotty Mystery  Scientific… […]

Mortgage applications fall as homeowners hit pause on refinancing  USA TODAY […]