A Framework for Valuing Bitcoin

By presenting a framework for valuing bitcoin, ARK believes active managers can identify short- to medium-term pricing inefficiencies.

Cause of Alzheimer’s progression in the brain

For the first time, researchers have used human data to quantify the speed of different processes that lead to Alzheimer’s disease and found that it develops in a very different way than previously thought. Their results could have important implicatio…

This squirrel watches its neighbor’s back

Unlike meerkats that take individual turns watching for predators while the rest forage, Barbary ground squirrels found off the coast of Africa stand sentry together — a behavior called synchronous vigilance, according to a new study.