Abstract: A compound probability density function (pdf) is presented to describe the envelope of the backscattered echo from tissue. This pdf allows local and global variation in scattering cross ...

You know what’s fun? Sharpening pencils, organizing a million glue sticks, and trying to explain to a five-year-old why they can’t cut their own bangs during craft time. And by fun, I mean mildly ...

Are you looking for engaging Year 2 English worksheets to help your pupils develop their grammar and sentence-writing skills? This free printable bundle includes activities on verbs, compound words, ...

Looking for engaging, no-prep Year 3 maths worksheets to support your pupils? This free printable PDF bundle contains essential multiplication and division practice, helping pupils build confidence in ...

The hazard produced by natural phenomena on infrastructure and urban populations has been widely studied in the last 50 years. Researchers have recognised that the real danger posed by these phenomena ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...

Ever feel like math is a foreign language? You’re not alone. Many kids (and adults, if we’re being honest) struggle with basic math concepts, and it can be a real headache. But don’t worry, we’ve got ...

Robert Rosenthal, a father of meta-analysis who was named one of the 20th century's top 100 psychologists, died Jan. 5 at 90. Twenty-five years ago, following his retirement from Harvard University, ...