The exact science of tree sap transport has puzzled plant physiologists for many years. Sap's migration throughout tree trunks and branches is linked heavily to transpiration, the movement and ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

Experience the tranquility of nature with this slow, upward pan through a serene, snow-dusted coniferous forest. The video begins close to moss-covered tree trunks surrounded by fresh snow, gently ...