Genetic sequencing research led by the Federal University of Pará charts a route for protecting Amazonian species. Focused on pirarucu and other native animals, the work links conservation, controlled ...

Add Yahoo as a preferred source to see more of our stories on Google. Pumuckel was officially crowned the World’s Shortest Living Horse by Guinness World Records in August 2025, with the announcement ...

Pumuckel was officially crowned the World’s Shortest Living Horse by Guinness World Records in August 2025, with the announcement made in December 2025. Unlike many extremely small horses that suffer ...

A clear science explanation breaks down how lightning forms and why it branches through the air instead of traveling in a straight line to the ground. Real-life Haribo! Ultra-rare two-headed snake ...

Shortest path algorithms sit at the heart of modern graph theory and many of the systems that move people, data, and goods around the world. After nearly seventy years of relying on the same classic ...

Friedreich’s ataxia (FA) is a rare but devastating genetic disorder. Those with the condition are often diagnosed between 5 and 15 years of age and live only into their 30s or 40s. There is no widely ...

The All-Pairs Shortest Paths Problem, Seeking the Shortest Distance Between Every Node Pair in a Graph, is Efficiently Solved by Johnson's Algorithm for All Pairs of a Vertext, Bellman-Ford for ...

When Edsger W. Dijkstra published his algorithm in 1959, computer networks were barely a thing. The algorithm in question found the shortest path between any two nodes on a graph, with a variant ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...