Investopedia

Zero-One Integer Programming: Understanding and Practical Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Investopedia

Understanding Absolute Value: Definition, Methods, and Examples

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Amy is an ACA and the CEO and founder of OnPoint Learning, a financial training company delivering training to ...
BBC

The English We Speak

Teething problems are issues that you have when you’re getting used to something new. Learn how to use this expression with Feifei and Phil. Hello and welcome to The English We Speak, where we explain ...
The New York Times

Climate and Environment

Researchers examined the combined effects of tree loss and global warming in an effort to better understand how and when an ecosystem collapse could unfold. By Sachi Kitajima Mulkey After deep cuts ...
Nature

High-resolution insertion-site analysis by linear amplification–mediated PCR (LAM-PCR)

The design of short LAM-PCR amplicons that do not exceed several hundred base pairs is critical for the efficiency of each analysis. Amplicons should be long enough to be resolved by electropheresis ...