Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Basic earnings per share (EPS) tells investors how much of a firm's net income ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Andy Smith is ...

Basic Allowance for Subsistence (BAS) pays for the cost of a military member's meals when dining at their permanent duty station. Although BAS is meant to offset the cost of a member's meals, it doesn ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Jan. 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the ...

Check and improve your grammar with our basic grammar reference guide. On this page you'll find links to our basic grammar summary pages. Each basic grammar reference page covers a key grammar point ...

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