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 ...

Many scientific problems entail labeling data items with one of a given, finite set of classes based on features of the data items. For example, oncologists classify tumors as different known cancer ...

I’m walking in the Eifel Mountains in western Germany, through cathedral-like groves of oak and beech, and there’s a strange unmoored feeling of entering a fairy tale. The trees have become vibrantly ...

Hardwoods, known as broadleafs, are trees classed as angiosperms with ovules enclosed for fruit protection. When appropriately watered on good fertile sites or fed in the landscape with a unique tree ...

Every year, a 20-metre Christmas tree from Norway is erected in Trafalgar Square. Image: iStock/stockcam "Trafalgar Square is changed as never before. A 48-ft Christmas tree has sprung up on the west ...