Thick mud tires with deep grooves are great for maintaining ... Analyze the terrain before going in: Diving head-first onto a muddy trail is never a good idea, regardless of how capable your ...

Neckbone, also 14, lives with his uncle, Galen (Michael Shannon), who makes a hardscrabble living diving for oysters ... And that's when they meet Mud (Matthew McConaughey).

As mist lingers over a Swedish fjord lined with towering, forested cliffs, a group of scientists collect mud from the bottom of the turquoise-colored waters. They’re after brittle stars—marine animals ...