Parallel World — one of the most grueling drytooling routes a climber could tackle. Few attempt the D15+/D16 route, and an even fewer number are successful. Loc ...

Valuing real options, such as expansion options and abandonment options, must be done with the use of decision trees, as their value cannot be determined via the Black-Scholes formula. Real ...

Uses: Great for training on large garden or house walls, just as long as there’s adequate cable support. Or use for climbing up and over large structures such as pergolas, especially where summer ...

We are tool-using creatures with a long history of offloading mental labor. Cave paintings, for example, allowed our prehistoric relatives to share and preserve stories that would otherwise be ...

On Saturday, reports emerged that Russian troops had taken an unusual approach to trying to get behind Ukrainian lines in Russia’s Kursk region — crawling through a defunct section of a pipeline that ...

A man has been arrested after spending more than 16 hours barefoot and holding a Palestine flag while perched on the clock tower of Big Ben. The man scaled the Elizabeth Tower on Saturday morning and ...

An Arkansas tree cutter who made jars of the lethal poison ricin on his rural property was sentenced to eight years in prison for possessing a biological agent infamously known for being one of ...

(CNN) — Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful ...

Everest preparations, and their expeditions will depart for Base Camp. The exciting spring climbing season begins with excitement and anticipation. The winds of the Jet Stream will soon subside ...

Purchased plant stands make setup quick and eliminate the need to select separate grow lights. If you’ll be using multiple grow lights, be sure the power strip they’re plugged into is away from ...