Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...

Python is one of the most approachable languages to learn, thanks to its object-oriented-first approach and its minimal syntax. The standard library includes many useful modules that you can use to ...

This important study presents a new method for longitudinally tracking cells in two-photon imaging data that addresses the specific challenges of imaging neurons in the developing cortex. It provides ...

Dr. James McCaffrey presents a complete end-to-end demonstration of the kernel ridge regression technique to predict a single numeric value. The demo uses stochastic gradient descent, one of two ...

Here we use cryogenic electron microscopy to determine the structure of TbAQP2 from Trypanosoma brucei, bound to either the substrate glycerol or to the sleeping sickness drugs, pentamidine or ...

Get a fast introduction to index funds and learn how these popular investing vehicles can help balance your portfolio.

ETFs and index funds have strong long-term performances. Despite lower ETF costs, index funds remain the top choice for retail investors although ETFs are gaining.

See the historical performance of the S&P 500 Index. Learn more about the factors that affect the S&P 500 average return.

As of July 1, 2025 (FY26) the IFC no longer supports ST contracts for individuals requiring an employment visa to work. In HQ, IFC ST contracts are limited to nationals, permanent residents, and ...